1. Chemistry

The value of delta H for the reaction below is -1107kj. 2Ba (s) + O2 (g) -> 2BaO (s) How many kJ of heat are released when 5.75 g of BaO (s) is produced? Here is how I approached this problem: 1. Converted 5.75 g of BaO to mol: 5.75g x (1mol BaO/153.3g

2. Chemistry

A 15.5 mL sample of 0.215 M KOH solution requires 21.2 mL of acetic acid in a titration experiment. Calculate the molarity of the acetic acid solution. Please show all steps, I don't understand this.

3. Chemistry

If 15.omL of 0.0250 M aqueous H2SO4 is required to neutralize 10.0 mL of aqueous solution of KOH, what is the molarity of the KOH solution?

4. chemistry

how many half-lives of radon-222 have passed in 11.46 days?

5. Physics

A string with a length of 2.5m resonates in five loops. The string linear density is 0.05 kg/m and the suspended mass is 0.5 kg.

6. Civics (The American President Movie)

In the movie the American Dream President Andrew Shepard (Michael Douglas) shows the roles of the President. What are examples of him being 1. Chief of State 2. Chief Executive 3. Chief Adminstrator 4. Chief Diplomat 5. Commander in Chief 6. Chief

7. Physics

A string with a length of 2.5m resonates in five loops. The string linear density is 0.05 kg/m and the suspended mass is 0.5 kg. What is the wavelength and wave speed

8. geometry

The surface area of a rectangular prism is 190 square inches, the length is 10 inches, and the width 3 inches. Find the height. I know how to do SA but I don't understand how to find height if you have SA given. The answer is 5 in but I am not able to come

9. Physics

An automobile tire is inflated with air originally at 10.0°C and normal atmospheric pressure. During the process, the air is compressed to 28.0% of its original volume and the temperature is increased to 36.0°C. a) What is the tire pressure? b) After the

10. English

As the headboy of your school write a speech on the send forth party of the principal of your school.

11. physical science

you are standing on a street corner, and you hear a fire truck approaching. does the pitch of the siren stay constant, increase, or decrease as it approaches you? does the pitch of the siren stay constant, increase, or decrease as it moves away?

12. Physics

A student measures the length of a brass rod with a steel tape at 20.0°C. The reading is 95.00 cm. What will the tape indicate for the length of the rod when the rod and the tape are at each of the following temperatures? a)-20°C b)60°C

13. physics

Several light bulbs, each of resistance 1.5 Ω, are connected in a series across a 120 V source of emf. If the current through the circuit is 2 A, how many light bulbs are there in the circuit?

14. Pre-algebra

There are eight sprinters competing for first, second, and third place ribbons. How many different ways can the ribbons be awarded?

15. Physics

A child exerts a tangential 43.5-N force on the rim of a disk-shaped merry-go-round with a radius of 2.41 m. If the merry-go-round starts at rest and acquires an angular speed of 0.086 rev/s in 3.54 s, what is its mass?

16. Chemistry

What acid and base must react to form Na3PO4?

17. physics

Three displacement vectors of a croquet ball are shown in figure below, where |A| = 20.0 units, |B| = 40.0 units, and |C| = 30.0 units. Calculate (a) the resultant in unit-vector notation and (b) the magnitude and direction of the resultant displacement

18. Geomertry

The surface area of a rectangular prism is 190 square inches, the length is 10 inches, and the width 3 inches. Find the height.

19. Science

I did your corrections. I just wanted to know if all the sentences are correct from a scientific point of view. Thank you. 1) DNA contains instructions which decide which proteins a cell will make and consequently determines the whole chemistry of the

20. Math

The line 2x+3y=1 intersects the curve x(x+y)=10 at A and B. Calculate the coordinates of A and B.

21. Lit 210

I need help comparing Oedipus Rex and A Raisin in the Sun. This is my outline so far. Please help. I am stuck and could use any advice. Thank you Comparing and Contrasting Oedipus Rex and A Raisin in the Sun The Oedipus Rex was written around 430 B. C in

22. math

amy is 5 feet tall and casts a 4 foot shadow. the pine tree has an 8 foot shawdow. how tall is the pine tree

23. math

A box containing Munchkins contains chocolate and glazed donut holes. If Gloria ate 2 chocolate Munchkins, then 1/11 of the remaining Munchkins would be chocolate. If Gloria added 4 glazed Munchkins to the box, 1/7 of the Munchkins would be chocolate. How

24. Chemistry (Electrons in Atoms)

The wavelength of visible light varies from 0.40 μm to 0.70 μm as the color of the light changes from violet to red. Calculate the energy of a photon whose wavelength is 0.67 μm HINT: From the wavelength and the speed of light, we can get the frequency.

25. math

A committee of 4 is chosen from a group of 10 women and 6 men. Determine the probability that at least 2 women are on the committee. Please show your work.

26. Math

Henry invests \$5,000 in a mutual fund with an annual interest rate of 7.5%. He also has a 4-yr, \$10,000 loan at 3.75%. When will the amount of interest earned on the mutual fund be equal to the amount of interest paid on the loan?

27. Geometry

Polygon ABCD has vertices A(–4, 0), B(–2, 4), C(3, 4), and D(8, 0). Polygon A'B'C'D' is the dilation image of ABCD, using the center (0, 0) and a scale factor of 0.5. What are the coordinates of A', B', C', and D'? This question has me confused. Could

28. physics

A car traveling 90 km/hr is 100 m behind a truck traveling 50 km/hr. How long will it take the car to reach the car?

29. Pre-Cal

From a point 50 feet in front of a church, the angle of elevation to the top of the steeple is 48 degrees. Find the overall height of the church and steeple.

30. physics

A skydiver jumps out of a ;lane 3 km in the air and reaches terminal velocity after falling for 15 seconds. If he falls at a constant speed the rest of the way to the ground, how long will he have been in the air total?

31. math

A multiple-choice test has 10 questions. Each question has 5 choices. If a student answers each question by guessing randomly, find the probability that the student gets: a) at most 4 questions correct b) at least 7 questions correct Please show your work.

Mexico DF is the word for Mexico City in Spanish I think that is false because they either say Mexico or el DF referring to Districto Federal, correct? They never say Mexico DF do they?

I have a question Is the Dia del Santo a day that people celebrate a kind of second birthday. I think that is false because that is a day they celebrate because they share a saint's name, correct and not a second birthday

34. physiscs

in a simple model of a hydrogen atom, the electron revolves in circular orbit around the proton with a speed of 1.1*10^6m/s. determine the radius of the electrons orbit

35. physical science

true/false the force of friction always opposes motion.

36. Ethics - Christian-based

What are the pros and cons of using your conscience?

37. English

I have to answer these questions but i am confused...please help :) As flies to the wanton boys are we to the gods; they kill us for sport Metaphor Personification Hyperbole Litotes None of these I do not understand the sentence itself :( I wish I had a

38. Biology(HELP ME!!!)

An average person blinks their eyes about 20 times per minute. Estimate the number of times a person will blink in 1 year.

39. Physical sciences

Potassium dichromate is orange in an acidic medium.it changes colour to yellow in a basic medium.

40. Math

A box containing Munchkins contains chocolate and glazed donut holes. If Gloria ate 2 chocolate Munchkins, then 1/11 of the remaining Munchkins would be chocolate. If Gloria added 4 glazed Munchkins to the box, 1/7 of the Munchkins would be chocolate. How

41. science

. How does the principle of uniformitarianism accounts for occasional catastrophic events such as meteorite impacts, huge volcanic eruptions, or great earthquakes? In what ways do geologic processes affect a person's daily life? . When astronauts brought

42. SCIENCE(chemistry)

DRAW A TEMPERATURE TIME PLOT FOR ICE -STEAM TRANSFORMATION. PLEASE DRAW THE PLOT AS I WAS NOT ABLE TO DRAW IT.

A glass of ice water was made by adding six 25 g ice cubes to one liter of water. If the water was initially 25C and the ice cubes were initially at -15C, what is the final temperature of the ice water? (I don't know how to get it.)

A firm advertises that it is selling 2000 items of equipment for \$230 each. Victoria Perkins orders the entire lot at the stated price, but delivery is refused. Does Perkins have a claim against the company?

45. math

A car license plate consists of 6 characters. The first 3 characters are letters excluding I, O, Q and U. The last 3 characters are any of the numerals 0 to 9 inclusive. How many different license plates are possible? Please show your work.

46. math

There are 6 boys and 8 girls in a group of students. Calculate the number of ways that a president, vice-president and treasurer can be selected. Please show your work.

47. Math

1)Forty solid hemisphere each of diameter 2cm , are melted to form a solid cone with a base diameter 6cm .Find the height of the cone? 2)A pyramid has a square base of side 12cm and a height of 15cm .Calculate its volume and total surface area?

48. Life Orientation

human factors that couses ill health,accidents,crises or disasters ?

49. geometry

Math - Plane Geometry. BC is a diameter of circle O, and radius OE is parallel to chord CD. Help?

50. math

A car license plate consists of 6 characters. The first 2 characters are any letter. The last 4 characters are odd numbers from 1 to 9 inclusive. How many different license plates are possible? Please show your work.

51. math

A company has two factories that manufacture tires. Suppose 65% of the tires are manufactured in factory 1 and 35% are manufactured in factory 2. In factory 1, 5% of the tires are defective. In factory 2, 2% of the tires are defective. a) Determine the

52. Economics

The firm currently uses 50,000 workers to produce 200,000 units of output per day. The daily wage per worker is \$80, and the price of the firm’s output is \$25. The cost of other variable inputs is \$400,000 per day. Assume that total fixed cost equals

53. teacher aide

Mike watches a lot of television programs that contain violence. When he sees an older child bullying a younger one in the park, you would expect him to A ignore it B call an adult C come to the aid of the child d join in What I've read would be he would

54. geomtry

The radius of the base of a cylinder is 4x cm is 27 cm and its height is 33 cm. Find the surface area of the cylinder in terms of 3.14

55. physics

Three resistors, each of resistance 6 Ω, are connected in such a way that that they form the three sides of a triangle. What is the equivalent resistance between any two vertices of the triangle?

56. Math

A plane flies out of city A traveling an average of 325 mph, and reaches city B in 3 hours 24 minutes. On the return flight there is a tail wind that increases the plane's speed so it takes only 3 hours and 15 minutes to fly back to city A from city B.

57. physical science

true /false for every action, there is an equal and opposite reaction is best defined as Newton's Third Law

58. maths

calculate speed,if john travels 220km for 2 hour 30 minutes ,your answer must be in km per hour

59. Genetic engineering and Gene splicing

what's the difference between genetic engineering and gene splicing?

60. math

Solve the following equations algebraically for n. Show your working using factorial notation. a) n!/3!(n-2)! = 12 b) 8Pn = 6720

61. calculus iii

What heading (or direction) and airspeed (speed in still air) are required for an airplane to fly 837 mph due north if a wind of 63 mph is blowing in the direction of S 11.5 degrees E?

62. geometry

The surface area of a rectangular prism is 190 square inches, the length is 10 inches, and the width 3 inches. Find the height. I know how to do SA but I don't understand how to find height if you have SA given. The answer is 5 in but I am not able to come

63. math

Math homework help????? please? heres what it says on the paper. Using proportions, you can calculate the dimensions of objects without having to measure them. solve the problems that follow... heres the problem ===================================== amy is

64. algebra

12x sqaured minus 11x equals 15

65. Chemistry

What is the concentration of CrO22 4 in 0.0040 M Ba(NO3)2 saturated with BaCrO4. Including the activity coefficients in the expression? The ksp of BaCrO4 is 1.17 x10^-10 [CrO4 2-]= ? M I want to understand the problem not just the answer please.

66. Chemistry

A glass of ice water was made by adding six 25 g ice cubes to one liter of water. If the water was initially 25C and the ice cubes were initially at -15C, what is the final temperature of the ice water?

67. Louis Riels summation to the Jury

When I came to the North West in July, 1884, I found the Indians suffering. I found the half-breeds eating the rotten pork of the Hudson Bay Company and getting sick and weak each day. Although a half-breed, and having no pretensions to help the Whites, I

68. English

I'd like you to check these sentences grammatically. I also would like you to see if the terminology I used is correct. Help me improve my paragraph, please. 1)DNA contains instructions which decide which proteins a cell will make and consequently

69. math

There are 6 boys and 8 girls in a group of students. Calculate the number of ways that a committee of 3 students which has at least 1 girl can be selected from the group. Please show your work.

70. Algebra

Solve using the substitution method. If the system has no solution or an infinite number of solutions, state this. -x + 6y = 54 3x + y = 9

71. geometry

A rectangular garden plot is to be enclosed with 40 meters of fences and the area of the garden is a function of the demensions of the recangle.

72. physics

Three resistors, each of resistance 6 Ω, are connected in such a way that that they form the three sides of a triangle. What is the equivalent resistance between any two vertices of the triangle?

73. Physics

You ride your bicycle down a hill, maintaining a constant speed the entire time. 1. As you ride, does the gravitational potential energy of the Earth-bike-rider system increase, decrease, or stay the same? 2. Does the kinetic energy of you and your bike

74. chemistry

how many grams of h2o are produced when 50.0g znco3 reacts with c6h8o7

75. Finite Math

A quiz consists of 10 multiple-choice questions, each with 5 possible answers. For someone who makes random guesses for all of the answers, find the probability of passing if the minimum passing grade is 40 %

76. physics

A 2.7 kg box is released on a horizontal surface with an inital speed of 2.9m/s. It moves on the surface with a deceleration of 0.27m/s^2. Calculate the kinetic friction force on the box?

77. Math

A Thunderbird leaves at 12:00pm constantly traveling at 20mph. At 4:30pm a Jaguar leaves from the same place on the same path and reaches the Thunderbird at 9:30pm. How much faster was the Jaguar constantly traveling?

78. University of Phoenix

I'm taking this math class and I'm suppose to find the vertical, horizontal and oblique asymptote, if any for the following equation... f(x) = 11 - (5x/5x^2 + 7x - 12) by NOT, i repeat NOT looking at a graph of the function. Thanks...

79. Calculus - You wont get it

Find the local max and local min and saddle points of f(x, y) = x^4 + y^4 - 4xy +1

80. math

if you need 10 quarts of juice and have 2 gallons,do you have enough juice?

81. Geometry

A cylinder flower pot with open top needs to be painted. The height is 9 inches and radius is 3 inches. If it takes Troy 5 minutes to paint 40 square inches, how long to the minute will it take him to paint the outside of the flower pot.

82. calculus

Find the volume of the solid generated by revolving the region about the given line. The region is in the first quadrant bounded above by the line y= sqrt 2, below by the curve y=secxtanx, and on the left by the y-axis. Rotate the region about the line

Majorie Long decides to sell her car. She tells Rupert Ames that it is a bargain at \$4,780." Ames buys the car and later discovers that the motor is in poor condition and the radiator leaks. Does Ames have a legal claim against Long for fraud?

84. Vectors/Calc

Find values of a, b, and c which satisfies the following equation: a(2,1,0) + b(-3,4,5) + c(2,0,3)= (-4,10,7)

I have to correct these sentences Is this correct? 1.Mi amigo viene de el cine. Mi amigo viene del cine. 2. Yo pono la mesa. Yo pongo la mesa. 3. Yo traer los libros. Yo traigo los libros. Thank you

86. 7th math

Simply the expression. -1 - (-3x + 2) - 7x + 8

87. Algebra 2

Find the geometric mean of each pair of numbers. 1/12, 1/18 I understand to multiply 1/12 * 1/18 and take the sqrt of the answer. But, what would be the sqrt of (1/288)? -18, -36 I got 25.46 for my answer.

88. Mat 117

•I am having trouble figuring out this question. Why is (3x + 5) (x - 2) + (2x - 3) (x - 2) not in factored form? Show specifically how to find the correct final factored form. What is this factoring method called? Please help. Thank you.

89. Pre-algebra

8(2j-6)>2(4j-4)

90. overview of teaching techniques

8. Which one of the following guidelines should be followed when giving directions to students? A. Don’t allow students to choose the activity—make all decisions yourself. B. Require students to find their own background information and necessary

91. ICA Honors

1/log_2(X) + 1/log_3(x) + 1/log_4(x) +1/log_5(x) =log_5(625)

92. Physics

A pen placed 13.0 cm from a concave spherical mirror produces a real image 13.5 cm from the mirror. a) What is the focal length of the mirror? Answer in units of cm. b) Calculate the magnification of the image. Assume the pen is placed 28.9 cm from the

93. Math

A train going 60 mph left several minutes before the 63mph train. Traveling on parallel tracks the faster train reaches the slower one in 3 hours. How many minutes head start did the slower train have?

94. Math

The deficit of a certain government is 977.616 billion dollars. If it paid back \$1000 every second, how many 365 day years would it take to pay back its debt assuming no accruing of additional interest or debt?

95. Math

This bag had 35 green, some black and 3 red marbles. Reaching blindfolded, the probability of picking a red is 1/23. How many black marbles are there.

96. Urgent Math

A large rectangle is divided into 4 non-overlapping smaller rectangles by two lines. One line is parallel to the base, and the other line is parallel to the height. If the areas of three of the small rectangles are 18,24, and 40, compute the only possible

97. calculus

Find the centroid for an area defined by the equations: y=2x+4 and y=((2x-3)^2)+1

98. SCIENCE(PHYSICS)

A train travels 40 km/hr for 0.2 hr, 50km/hr for next 0.2hr and 60km/hr for next 0.4 hr.calculate the average speed of train. PLEASE SOLVE THE QUESTION WITH ANSWER AS I WAS NOT ABLE TO GET THE ANSWER

99. English

I forgot to add the following details. I really hope you can have a look at them. 1) In 1903 Emmeline and Christabel Pankhurst set up the Women’s Social and Political Union. They campaigned with other women for more rights and recognition for women’s

100. math

A large rectangle is divided into 4 non-overlapping smaller rectangles by two lines. One line is parallel to the base, and the other line is parallel to the height. If the areas of three of the small rectangles are 18,24, and 40, compute the only possible

101. math

What is more? 3 quarts of juice or 10 cups of juice?

102. Us history

What is the Wilmot proviso?

103. Geometry

A wheel has a radius of 1 foot. to the nearest foot, how far will the wheel travel in 50 revolutions?

104. Conners

write an expression that tells how to find the perimeter of a triangle with each side 2 inches long

105. Chemistry

What is the hydrogen ion concentration in a 0.15 molar solution of acetic acid in water at 25 degrees C? Acetic acid is 1.3 % dissociated.

106. Pre-algebra

7(3g-9)>6(5g-6)

107. Algebra 2

Find the specified term of each geometric sequence ab^2, a^2b^5, a^3B^8, ...; t25 really stumped. I know that r= (a^2b^5)/ab^2 but I don't know what to do next. ab^2 ((a^2b^5)/ab^2)^n-1 ??

108. math

there are ___ parabolas that have a vertex (-3,-4) and pass through the point (-1,4)

109. Math

4.5q-1.5-4.4q=0.9q-3.2

110. Human Resources

Describe the historical development of human resource management from its earliest inception to the present.

111. algebra

Solve the system of equations: what is the y-value in the solution? 3x - 5y = -16 and 2x + 5y = 31

112. science

objects of different masses are suspended from a height. which combination of features will have the greatest gravitational potential energy low mass low height low mass high height high mass high height high mass low height

113. Math

How do you solve 7x - (-6 - 2x) - x

114. world history

Neanderthals lived alongside Homo sapiens for thousands of years,

115. Math

A large rectangle is divided into 4 non-overlapping smaller rectangles by two lines. One line is parallel to the base, and the other line is parallel to the height. If the areas of three of the small rectangles are 18,24, and 40, compute the only possible

I'm confused by your reply-Is Day of the Saint like having a second birthday? I thought it was false but then according to your answer, I'm thinking it is a kind of second birthday-Thank you for rechecking Here is the running conversation Posted by Emma-

117. Math

When the digits of a two digit number are reversed, it is 9 less than 3 times the original number. The product of the digits is 14. What is the original number?

118. Math

(Two concentric circles are shown)The smaller circle's circumference is 10pi. The chord's length is 24. What is the diameter of the larger circle.

119. Math

How do I go about finding the roots (real and complex) of this polynomial: 2x^3 + 7x^2 + 14x + 12

120. Chemistry

An electron ps from the 6th to te 3rd energy level in the hydrogen atom: a) calculate the wavelength b) calculate the frequency c) calculate te enrgy d) into which spectral series would the photon be grouped? (i really just need to formulas, then i could

121. Life Orientation

Which institutions/organisations are responsible for pollution that occur in our everyday life?

122. english

Pls Re-arrange this word aidgact

123. psychology

What are the four central themes in social psychology?

124. Algebra II

Translate this equasion 2 units left and 4 units up: 9x^2+ 3x+ 10= 16y^2+ 154+ 3x please show me all of the steps. thank you

125. Algebra I

"A car is traveling at r speed. A plane is traveling at 5r speed. When will they both reach 200 miles?"

126. Algebra

A car rents for \$45 per day plus 21 cents per mile. You are on a daily budget of \$66. What mileage will allow you to stay within your budget? what is thye solution?

127. geometry

find the measure of angle 3 if angle 2 is 5x-8 amd angle 4 is 3x-10

128. algebra

Solve using the addition and multiplication principles. 7+3x

129. math

i'm in 5th grade what is 9/26 with a remander

130. Chemistry

When 0.4300g of NaNO2 is allowed to react with an excess of HSO3NH2, the volume of water is 24.6 degrees celsius and that of the gas is 24.21degress celsius. The atmospheric pressure is 100.72kPa. Calculate the molar volume of N2 at 298.15 K and 100 kPa.

93log3.1+65

132. Life Orientation

How drug additction causes ill health,accidents,crises or disaster?

133. Math

t - (-4) = 18

134. Life Orientation

what is the importance of making health decision/choices to avoid the consequences ?

135. math

i need help 88/8its sopposed to be a fraaction 88/8+24+(8-4)+6

136. Chemistry

When 0.4300g of NaNO2 is allowed to react with an excess of HSO3NH2, the volume of water is 24.6 degrees celsius and that of the gas is 24.21degress celsius. The atmospheric pressure is 100.72kPa. Calculate the molar volume of N2 at 298.15 K and 100 kPa.

137. Math

1/2m - 7= -4 Does m= 1.5?

138. Vectors/Calc

Note: u,v,w,a,b are all vectors Given that u= xa + 2yb v= -2ya + 3yb w= 4a - 2b where a and b are collinear, find the values of x and y for which 2u - v =w

139. chemistry

Give the formula of lead iodide showing all working. You must use knowledge about atoms and electron configuration to explain answer. Thanx :)

140. English

Can you check this very short summary on the second World War, please? 1) On 1st September 1939 Germany invaded Poland. England allied with France against Germany. 2) Germany entered France but British people managed to evacuate most of the English

-9(f-6)

142. math

What is the 8th term of (3x-1/2y)^10

143. math

It has been determined that 30% of students at a certain high school own a cell phone. If 95 students are randomly selected determine the probability that exactly 20 students own a cell phone. *if using a calculator show syntax used*

144. algebra

x+59+y+112=180

145. Christian Ethics

what are the strengths and weaknesses of using the literal interpretation of the bible? what are the advantages of using the non-literal interpretation of the bible?

146. physics

if a cannon on top of a trolley was moving at a constant speed, then fired a ball VERTICALLY and the trolley continued at the same speed. Would the ball land infront behind or on top the trolley

147. Linear Equations

Solve using the elimination method. If the system has no solution or an infinite number of solutions, state this. -2x - 8y = 22 -6x - y = 20

148. Human Resources

The question is describe the process for tracking and evaluating training effectiveness. Not sure what the process is??

149. Pre-algebra (DESPRATE NEED OF HELP!)

A triangle has side lengths of (x+4), (4x-8), and (2x+8) units. If the perimeter of the triangle is at least 88 units, what is the minimum length of each side of the triangle?

150. Geometry

Suppose a chord of a circle is 32 millimeters long and is 12 millimeters from the center of the circle. What is the circumference of the circle? btw.. thx fer yall that answer these, aprichiate it. yall are fricken wizards.

151. Physical sciences

Potassium dichromate,concentrated nitric acid 12m,concentrated sodium hydroxide 12.5m and water.set up an experiment to investigate the effects of changing concentration on an equilibrium mixture

152. Human growth and development

Order from least effective to most effective against pregnancy. Condoms, abstinence, sponges, birth control.

153. Physical sciences(chemistry)

Do not know it

154. history

Neanderthals lived alongside Homo sapiens for thousands of years

155. math

jim's 10-foot garage casts a 7-foot shadow. his house has a 17.5-foot shawdow. how tall is his house

156. Human Resources

Describe and discuss the three steps in developing an affirmative action plan.

157. algebra

Write an algebraic expression for the following: If James spends 5/6 of his weekly allowance (x) on a movie, how much will James have left?

3 2/5 - 16

159. Math

I am pretty much clueless with this but would like some help the question i have been given is........How many terms are in the expansion of (a+b+c)^5 after like terms have been combined? Please help me all the way through it if you can. Thankyou

160. Math

The woodpecker found 3069 bugs in a tree and ate two thirds of them.How many bugs were left in the tree?Draw a picture to illustrate the problem.

161. life orientation

research one of the following human factors that causes ill health.1 smoking.drug addiction

162. geology

Which of the following materials are minerals, and why (or why not)? Water; beach sand; diamond; wood; vitamin pill; gold nugget; fishbone; emerald.

163. psycology

Identify the concept that is shared by Sigmund Freud and Erik Erikson

164. CRIMINALJUSTICE

You are a FBI agent in a counterterrorism unit. You apprehend a known terrorist that knows the whereabouts of a nuclear device that his cell has planted in the country. He refuses to tell you any information. Would it ever be justifiable to use methods of

165. math

i need help with just one question, and if i get it, ill be able to do the rest. Okay so its saying let height of a box be 4x+1, width be x-3, and length be 2x. Find the volume. So what do i do? how do i start solving this? its polynomials

166. science

Distinguish between utilitarian conservation and biocentric Preservation

167. math

when you add a positive and negitive integer and the one with the greater magnatude is negetive, what is the sign of the sum?

168. Math

Describe what the graph of interval [-7,3)look like

169. math

when you add a positive and negitive integer and the one with the greater magnatude is negetive, what is the sign of the sum?

170. English

I left out the following sentences.I hope you can have a look at them. 1) Can you change this 100-Euro note into two 50-Euro notes, please? 2) I was last in the hospital when I had my tonsils and adenoids out/when I was operated on my knee. 3) April is

171. English

I have selected the five questions I was unsure of. 1) In 1945 the Labour Party came to power and introduced the welfare state, a system of social services organized and paid for by the government. 2) The National Insurance Scheme was set up in 1946 to

172. English

I selected the five questions I was truly unsure of. 1) Can you change this 100-Euro note into two 50-Euro notes, please? 2) I was last in the hospital when I had my tonsils/appendicitis/ adenoids out (or removed?) /when I was operated on my knee/when I

173. Pre-algebra

-3(2b+4)>4(b+7)

174. history

True/false and if false change the word in ( ) The process of handing out jobs to one's supporters is known as the (citizen system) During the american revolution, the (hessians) remained loyal to england.

what is 9/74

176. algebra

5-9y-2yblank}

177. algebra

x-^2-3x+6 7x-0 find and simplisy

178. history

True / False If false change the word in ( ) i missed several of these and i need to turn it in again and i don't know which ones i answered right or wrong....plz help In (salutary neglect) a nation colonizes to create wealth for itself and to create

179. chemistry

What is the molarity of hcl is 35 ml is neutralized. By 500 ml of M NaOH?

180. algebra

From a base elevation of 6600ft, a mountain peak in Colorado rises to summit elevation of 14,545ft over a horizontal distance of 15,839ft. The grade of the peak is blank%

181. Physics

Boyle's Law says that the volume of a gas varies inversely with the pressure. When the volume of a certain gas is 4L , the pressure is 165kPa (kilopascals). What is the volume when the pressure is 60kPa?

182. trig

find the least positive value of @. sec (4@+10)cos(3@+17) @=theta

183. math

write the expression -5i(1 + 3i) as a complex number in standard form.

184. science

a player used a hockey stick to increase the speed of a .200 kg hockey puck by 6 m/s in 2 seconds. how much force was exerted on the puck?

185. Chemistry (Electrons in Atoms)

What is the wavelength of the emitted photon, when the electron in the hydrogen atom makes a transition from the ni = 5 state to the nf = 3 state?

What is the best way to explain 2nd grade kid, how to find one fourth of 7

187. Life Orientation

What are the consequences of drug addiction?

188. chemistry

Just keep getting different answers when i review this, i can't seem to get the correct one. Calculate [H3O] and [OH] for a sodium hydroide solution having a pH of 12.5

189. chemistry

i have another one i can't get the write answer for... Calculate the pH of the colution that results when 27.38 mL of 0.15 M H2SO4 is mixed with 18.50 mL of 0.19 M Ca(OH)2? Thank you guys so much!!

190. English

Can someone please explain how to do literary technique paragraph for the English regent?

191. math

solve the equation x2 + 5x = 0.

192. med

Making use of the following terms, write a fictitious medical report of about two paragraphs describing a dermatologic condition or disease. Focus the report on the onset, progression, location, and etiology of the condition or disease, and the treatment

Mario Juliano agrees to paint George O' Shea's house for \$1500 and to begin work on or before August 1. Juliano begins on August 4. Has she breached her contract?

How much energy (in joules) is contained in one mole of photons (electromagnetic quanta) of frequency 2.3E+19 Hz?

8x+8

196. Math

What is the square root of 6 times the square root of 9 if there is no perfect square of 6

8(m+5)>-32

198. DSMA

What does Frank do on Friday? Is does and do used properly?

199. Spanish-Please recheck from last week

I asked this question last week how to day I plan to go to the movies tomorrow night and you said to correct "a la" and "de el" to "al" or "del"-Is the first one correctly written now? Thank you I don't think it is the second one 1.Yo pienso ir al cine

6(p-8)>78

-12(g+8)>24

-5(c+15)

3(4b+8)

204. science

The president of the United States is elected by the electoral college. What type of system is this?

205. Conners

write an expression that tells how to find the perimeter of a triangle with each side 2 inches long

206. Chemistry

A Sample Of Gas With A Volume Of 825mL Is Measured At 25.0 Degrees Celcius. Find The New Temperature When The Volume Is 135mL. What Is The Mass Of 41.98L Of Ammonia At STP?

A triangle has side lengths of (x+4), (4x-8), and (2x+8) units. If the perimeter of the triangle is at least 88units, what is the minimum length of each side of the triangle?

208. english

Provide the main idea for the following supporting detail: Ming is even nervous to interview Mrs. Russo.

209. gym-sports

variuos types of competition involved in basketball

210. english

Can someone please point me in the right direction on these. I have no idea what these mean. Thank you for any help. In each of the following series, circle the phonic element that does not belong in this sort, and then give an explanation for your choice

211. world history

Earthquake activity didn't play a role in the collapse of _______ civilization

212. physics

A circus motorcylist can ride his motorcyle through a loop with a radius of 15 meters. What is the minimum velocity with which he can accomplist this feat?

213. Math

X -2, 0, 3, 4 Y 6, -2, -14, -18 Write the function

214. math

what does method mean

215. math

dy/dx=2/27(x-3)√((x^2-6x+23)/y)

216. science

when they talk about proof in regards to alcohol. how is proof determined. how do you proof alcohol.

217. math

list all the factors of 84

218. bowie

preotn with force od 5x10^-5N is placed in electric field and displacede 0.15 cm what is potential difference in the situation?

219. unsramble

what does nshniesu spell unsrambled

220. physis

in the statement gravity is 9.81 M/S2 what does 9.81 m/s mean?

221. English

Death is a commonplace in the novel. Do Hal, Mercedes, and Charles deserve their fate? Why or Why not?

222. SCIENCE(PHYSICS)

A TRAIN IS MOVING ON A STRAIGHT TRCK AND TRAVELS AT A SPEED OF 72KM/HR AND PASSES A POLE IN 3 SECONDS. FIND THE TIME TAKEN TO PASS A BRIDGE OF LENGTH 540m. PLEASE SOLVE THE QUESTION AND ANSWER IT AS I WAS NOT ABLE TO ANSWER IT.

223. Economics

If the government lowers taxes, and everything else remains constant?

224. Math

Simplify: 21d - 8d^2 + 5d^3 - 5d^2

225. Trig

find cos x/2, sin x = 1/4, 360 < x < 450, use half-angle identity

226. u.s history

What type of change did franklin d. Roosevelt bring?

227. Servers

Describe the function and setup of a DHCP server. How is this different from the setup for a DNS server. Under what conditions would you implement the two services on the same machine? How would you set up a firewall and DMZ for the DHCP server? What would

228. math

Can someone solve this and explain it please 4^log2 (2log2 5)

229. math

Compute the number of eleven-digit integers that can be formed using all of seven 1s and four 0s if you never start or end with a 0 and no 0s are ever next to each other.

230. Math

Can someone solve this showing the steps involved 4^log2(2^log2 5)

231. physis

to DRWLS thanks for the help DEEK./

232. chemistry

Malarity is to moles of solute over liters of solution as molality is to

7(v+5)>56

-12(c-6)

48>3(w+7)

-5(3e-2)

8(4s-7)

238. Grammar

Alot or a lot?

239. Social Studies

What is a letter that starts with Z?

Solve. 6y-6

241. world history

i need to figure out who a contemporary figure i could compare to Benjamin Disraeli. who does he alike?

242. com

Can someone tell me about what are trigger words and gave some examples for my understanding.

243. math

What are 5 different names for -214 I just don't get it.

244. math

Compute the number of eleven-digit integers that can be formed using all of seven 1s and four 0s if you never start or end with a 0 and no 0s are ever next to each other.

245. algebra

Find the slope if it exists y=2x+6

246. English

I forgot to add the following statements. Thank you. 1)Say, for example, a bit of a DNA molecule has a string of nucleotides in the order CCGCAG. Reading three “letters” at a time, CCG stands for the amino acid glycine. CAG stands for the amino acid

247. physical science

true/false A lens that converges light is concave