# Questions Asked onSeptember 11, 2010

1. ## Research and Statistics

2. The results of a recent survey indicate that the average new car costs \$23,000, with a standard deviation of \$3,500. The price of cars is normally distributed. a. What is a Z score for a car with a price of \$ 33,000? 9.415000 b. What is a Z score for a

2. ## chemistry

How many grams of na3po4 will be needed to produce 425ml of a solution that has a concentration of na+ ions of 1.30 M?

3. ## geometry

T is in the interior of angle"PQR". if angle"PQR"=10X-7, angle"RQT"=5X and angle"PQT"=4x+6 "X" will eaqual to?

4. ## chemistry

On a brisk walk, a person burns about 325 Cal/h. A pound of body fat stores an amount of chemical energy equivalent to 3500 Cal. If the brisk walk were done at 2.1 mi/h, how far would the student have to walk to burn off the pound of body fat?

5. ## Chemistry

Fungal laccase, a blue protein found in wood-rotting fungi, is 0.390% Cu by mass. If a fungal laccase molecule contains four copper atoms, what is the molar mass of fungal laccase?

6. ## math

a cubical wooden box of internal edge 1m is made of 5cm thick wood.The box is open at the top . if the wood costs Rs. 9600 per cubic metre, find the cost of the wood required to make the box?

7. ## pharmacy

importance of uniformity of weight test in pharmacy

8. ## Physics

A Chinook (King) salmon (Genus Oncorynchus) can jump out of water with a speed of 6.75 m/s. If the salmon is in a stream with water speed equal to 1.65 m/s, how high in the air can the fish jump if it leaves the water traveling vertically upwards relative

9. ## Calculus

A solid has as its base a circular region in the xy plane bounded by the graph of x^2 + y^2 = 4. Find the volume of a solid if every cross section by a plane perpendicular to the x-axis is an isosceles triangle with base on the xy plane and altitude equal

10. ## Physics

A car is traveling around a horizontal circular track with radius r = 240 m at a constant speed v = 25 m/s as shown. The angle èA = 34° above the x axis, and the angle èB = 65° below the x axis. I found the car's acceleration to be 2.6 m/s^2 (a=v^2/r).

11. ## physics

A diver springs upward from a board that is three meters above the water. At the instant she contacts the water her speed is 9.6 m/s and her body makes an angle of 84 degrees with respect to the horizontal surface of the water .

12. ## physics

A ball of mass 200 grams is whirled in a circle at the end of a strong 100 cm long rope whose breaking strength is 10 N. Neglecting gravity, the maximum speed of the ball is approximately.

13. ## PreCalc

In 1995 the CPI for all items was 152.4. Find the price in 1995 of a typical item that had an average price of \$5 during the years 1982 to 1984.

14. ## physics

The eye of a hurricane passes over Grand Bahama Island. It is moving in a direction 60.0° north of west with a speed of v1 = 42.0 km/h. Exactly three hours later, the course of the hurricane shifts due north, and its speed slows to v2 = 24.0 km/h, as

15. ## math

The number of accidents that occur at the intersection of Pine and Linden streets between 3 pm. and 6 pm. on Friday afternoons is 0,1,2, or 3, with probabilities of 0.84, 0.13. 0.02, and 0.01. What is the expected value for the random variable given the

16. ## Healthcare Communication Strategies

Discuss how you handled a communication experience that led to a conflict. What created the conflict?

17. ## MATH

Suppose that you have a supply of a 25% solution of alcohol and a 75% solution of alcohol. How many quarts of each should be mixed to produce 100 quarts that is 30% alcohol?

18. ## Algebra

A size 36 shoe in France is size 3.5 in England. A function that converts shoe sizes in France to those in England is g(x)= 3x-94/4. A size 6 shoe in the United States is size 3.5 in England. A function that converts shoe sizes in England to those in the

19. ## Chemistry 22

which illustrates in an increase in potential energy? a. a firecracker explodes b. a person climbs a set of stairs c. a wind-up toy winding down d. an apple dropping from a tree

20. ## precal

Rebecca and Tom Payton have decided to buy a home that costs \$200,000. The Paytons can put down 20% of the home's price. They have applied for a 15-year, 9% FRM to finance the balance. They Paytons have a combined gross annual income of \$70,000. A.)\$

21. ## Geography

Is Maine farther north than North Dakota? I think the answer is yes. Am I correct?

22. ## statistics

2. The results of a recent survey indicate that the average new car costs \$23,000, with a standard deviation of \$3,500. The price of cars is normally distributed. a. What is a Z score for a car with a price of \$ 33,000?

23. ## Chemistry (11th)

Write the reaction for combustion of CH4 include the heat term.

24. ## Research and Statistics

3. In one elementary school, 200 students are tested on the subject of Math and English. The table below shows the mean and standard deviation for each subject. Mean SD Math 67 9.58 English 78 12.45 One student’s Math score was 70 and the same

what does (-3) + (-15) divided by (+5) (-6) equal? need help.

26. ## chemistry

Calculate the mass percent composition of carbon in the following carbon compound. C_8H_13O_5N I got 0.4729 as an answer but it's wrong. Please help me.

27. ## ELAC

Consider equation 3A+B=C+D. You react 4 moles of A with 2 moles of B. Which of the following is true? 1) L.R. is one with higher molar mass 2) A is L.R. because you need 6 moles of A and have only 4 moles 3) B is L.R. because you have fewer moles of B than

28. ## precal

Spider Industries is a U.S.-based company that test-marketed an electronic cobweb destroyer in Japan. The company's revenue, R, is a function of the number of destroyers sold, x, using the following formula R = 160x -0.2x^2. If the company sold their

29. ## Critical Thinking

Detective: The robbery at the mall was carried out by a mall employee acting alone roughly one hour after the mall closed last Saturday night. The only employees present at the mall at the time of the robbery were security guards Evans and Clark. Since the

30. ## Calculus

A spherical balloon with a radius r inches has volume V(r)= 4/3 Pi r^3. Find a function that represents the amount of air required to inflate the balloon from a radius of r inches to a radius of r+1 inches. An explanation would be appreciated, as I have no

31. ## physics

Two particles are created in a high-energy accelerator and move off in opposite directions. The speed of one particle, as measured in the laboratory, is 0.700 c , and the speed of each particle relative to the otheris 0.920 c . What is the speed of the

32. ## Trignometry

Given Triangle ABC: I think there are suppose to be right triangles... 1) If

33. ## college

Calculate activities of Ca2+ anf F- and the solubility of flurite in pure water at 25C without regard to possible hydroysis. Assume that all activity coefficients are equal to one. Express the solubility of florite in terms of mol/L and g/100mL?

34. ## Geography

Which of these cities is in the Southern Hemisphere: Paris, france; Tokoyo, Japan; Lima, Peru or Washington DC? I believe it is Lima,Peru. Am I correct?

35. ## Chemistry 1

I have trouble understanding ratios and relativity so I can't understand how to use atomic mass units. Here is an example from my book: How many grams of iron would contain the same number of iron atoms as the number of carbon atoms contained in 1.000 g of

36. ## college Macroeconomics

Suppose that there is a temporary, but significant,increase in oil prices in an economy with an upward-sloping SRAS curve. If policy makers wish to prevent the equilibrium price level from changing in response to the oil price increase, should they

37. ## 9th E.L.A.

I am having a discussion in clas about the film Big Fish By Tim Burton. My topic question is this- The film Big Fish explores the metaphor of the big-fish-in-a-small-pond by examining the impact Ed Bloom has had on lives he's touched throughout his life

38. ## Chemistry

In the explosion of a hydrogen-filled balloon, 0.75 g of hydrogen reacted with 6.9 g of oxygen to form how many grams of water vapor? (Water vapor is the only product.) I am really confused on how to do this.

39. ## chemistry

A block of metal has a width of 3.2cm, a length of 17.1 cm, and height of 5.2 cm. Its mass is 1.1 kg. Calculate the density of the metal

40. ## physics

Two people push on a 4 kg object. One force is 60N, north. The second force is 40N, east. Find the acceleration of the object. Ignore friction. The answer is 18m/s/s at 53.31 degrees.......but i don't know how to get to it.

41. ## Chemistry

Does water and methanol absorb light in the UV-Vis region?

42. ## geometry

line yw bisects on angle xyz if angle xyw=10x-8 and angle wyz=3x+69 x equals to???

43. ## parenting

what does this quote mean ''making the decision to have a child is momentous. it is to decide forever to have your heart go walking around outside your body - elizabeth stone. pls i need the answer latest by tonight

44. ## chemistry

Calculate the mass percent composition of carbon in each the following carbon compounds. a) C_4H_10 b) C_6H_10 c) CCl_2F_2 d) C_8H_13O_5N

45. ## SOCIO-CULTURE

explain how socio-cultural differences create problems for Walt Disney in opening parks overseas

46. ## College Anatomy

What organelle produces spindle fibers during mitosis?

47. ## precalc

To approximate unemployment for the years following 1990, an economist used the function f(x) = -0.26x^2 + 1.2x + 5.7, where x is the number of years since 1990 Select the function that defines the rate of change in the unemployment rate. A.)f '(x) =

48. ## college chemistry MEASURMENTS

some states have reduced the legal limit for alcohol sobriety from 0.10% to 0.08% alcohol by volume in blood plasma. a) how many mL of alcohol are in 3.0 qt of blood plasma at the lower legal limit? b)how many lL of alchol are in 3.0 qt of blood plasma at

49. ## Calculus

The celcius scale is devised so that 0 degrees celcius is the freezing point of water ( at 1 atmosphere of pressure) and 100 degrees celcius is the boiling point of water ( at 1 atmosphere of pressure) . If you are more familiar with the Fahrenheit scale,

50. ## chemistry

What is the name of the following organic compound? CH_3CH_2CCCH_2CH_2CH_3

51. ## College Anatomy

Which of the organelles in a cell is most directly related to organic evolution? Why?

52. ## french

Can you check these. Thanks Un petit accident (Fill in the blanks) 1. Il a eu un petit ---------. Answer: accident 2. Qu'est-ce qui lui est -------? Answer: arrivé 3. Il a ------ sur une peau de banane. Answer: glisse 4. Sur une peau de banane? Et il est

53. ## college physics

A box on a frictionless horizontal surface is pulled by a tension of 42.4N directed at 45 degrees above the horizontal. what is the work done on the box as it moves 2.50 meters along the surface?

54. ## Research and Statistics

5. The table below shows Psychology exam scores, Statistics Exam scores, and IQ scores for a random sample of students. What can you observe in the relationship between IQ and psychology, psychology and statistics, and IQ and statistics? Using a

55. ## physics

A car is parked on a cliff overlooking the ocean on an incline that makes an angle of 19.0° below the horizontal. The negligent driver leaves the car in neutral, and the emergency brakes are defective. The car rolls from rest down the incline with a

56. ## chemistry

A pound of body fat stores an amount of chemical energy equivalent to 3500 Cal. When sleeping, the average adult burns or expends about 0.45 Cal/h for every pound of body weight. How many Calories would a 135 lb person burn during 7 hours of sleep? (Note

57. ## Calculus

The normal body temperature in humans ranges from 97.6 degrees fahrenheit to 99.6 degrees fahrenheit. Concert this temperature range into degrees celcius

58. ## college Macroeconomics

consider a country with an economic structure consistent with the assumptions of the classical model. Suppose that businesses in this nation suddenly anticipate higher future proftability from investments they undertake today. explain whether or how this

Is internal control concerned only with enhancing the accuracy of accounting records? Why or why not?

What happens to energy from the sun that is neither reflected nor absorbed by the atmosphere? Is this right? It is absorbed by the land and water and warmed(changed to heat). The greenhouse effect takes place.

61. ## physics

A car starts from rest on a curve with a radius of 130 m and accelerates at 1.80 m/s^2. How many revolutions will the car have gone through when the magnitude of its total acceleration is 3.50 m/s^2?

62. ## Calculus

Solve : sec^2(x)= ã3*tanx + 1 on [0,radian-180 degrees) - couldn't find the symbol for radian on computer please try and explain how you got your answer best as yu can thanks so much :)

63. ## BIOLOGY

How to create a dichotomous key? I have an assignment on how to create a dictomoous key with this ten different things' Hornet, Leech,salamander,iguana,tulip plant,pig,paramecium,pinetree,housefly,MUSHROOM could someone help me with this

64. ## English

Can you please tell me if the following sentences regarding school rules are possible? Thank you. 1.You are not allowed to enter the school building after ten o’clock. 2.School starts at five to eight. Remember to arrive to school five minutes before

65. ## Chemistry 11

Which is reactant and product ? 1) C(s)+O2(g)--> CO2 (g) 2) N2(g)+ O2(g) --> 2NO(g)

66. ## Algebra

Write the equation of the function that has a graph the shape of y=/x/ ,reflected about the x-axis and shifted down 1 unit.

67. ## Human Resource Management

Managing the internal and external environment of the human resource, assessing work and work outcomes, acquiring human resources and compensating human resources – which area do you think contributes the most to helping the firm gain a competitive

68. ## confidentiality in allied health,part 1

if the persident of the united states vetoes a bill sent to him by congress,can this bill still become a law?

69. ## economics

1. Given a firm’s demand function, P = 24 - 0.5Q and the average cost function, AC = Q2 – 8Q + 36 + 3/Q, calculate the level of output Q which a) maximizes total revenue b) maximizes profits

70. ## geography

im struggling with my geography homework please could someone help me. I need to give a basic answer listing where the biggest cities were in 1950 and are now in 2005.Some broad reference to developed/developing countries.Basic reasons outlined thanks:)

71. ## Chemistry

Consider equation 3A+B=C+D. You react 4 moles of A with 2 moles of B. Which of the following is true? 1) Limiting reactant (L.R.) is one with higher molar mass 2) A is L.R. because you need 6 moles of A and have only 4 moles 3) B is L.R. because you have

72. ## Clarify: Category and Type

What is the difference between category and type? I'm in an info tech class and the teacher wants us to research 3 main categories of computer viruses and 3 types of computer viruses. But aren't category and type basically the same thing? Thanks for help.

73. ## Trignometry

1) If

What is a diverse ecosystem?

75. ## Physics - Data Analaysis - Power Laws

In an experiment, two variables quantities 'x' and 'y' were measure. The relation between x and y is thought to be y=ax^(1/2) x(m)+/- 0.01m y(s) +/- 0.05s 0.10 0.64 0.20 0.90 0.40 1.27 0.80 1.80 1.00 1.90 a) What will you graph in the y- and x- axis in

76. ## math

Give your own example of a function using a set of at least 4 ordered pairs. The DOMAIN will be any four integers between 0 and +10. The RANGE will be any four integers between -12 and 5

77. ## Chemistry

.Question part Points Submissions 1 0/0.5 2/3 Total 0/0.5 ...In the explosion of a hydrogen-filled balloon, 0.75 g of hydrogen reacted with 6.9 g of oxygen to form how many grams of water vapor? (Water vapor is the only product.) i already posted this but

78. ## MATH

7/9 - 4/9 = 7-4=3 ANSWER:3/7

79. ## physics

A car is parked on a cliff overlooking the ocean on an incline that makes an angle of 19.0° below the horizontal. The negligent driver leaves the car in neutral, and the emergency brakes are defective. The car rolls from rest down the incline with a

80. ## Chemistry (11th)

When A + B --> C then this reaction occurs in water, heat is given off. 1) Will the temperature of water go up or go down ? - is the asnwer down ? since the energy is released to the surrounding. 2) What is the sign for delta H ? + or - ?

81. ## Algebra

Write the equation of the function that has a graph the shape of y=/x/ ,reflected about the x-axis and shifted down 1 unit.

82. ## science

how might scientist from the 3 main branches of science interact with their study of the flood, its effect, and how future flooding might be controlled.

83. ## ap chemistry

how to alculate the molar amount of a compound used to neutralize a solution? pleassssssssss help!

84. ## MATH

EXPRESS EACH RATIO AS A FRACTION IN SIMPLEST FORM. 8 CHEESE PIZZA OUT OF 14 PIZZA 8/14=4/7

85. ## Science

What absorbs or reflects energy from the sun in the atmosphere? I say- Water vapor,carbon dioxide,the ozone layer,Clouds, dust, and other particles absorb energy. Clouds, dust particles and molecules of gases reflect energy. Is this right?

86. ## algebra

Supply and demand. The supply and demand for the sale of stereos by Sound Ideas are given by S(x) = ex and D(x) = 162,755e−x, where S(x) is the price at which the company is willing to supply x stereos and D(x) is the demand price for a quantity of x

87. ## algebra, logarithms

Evaluate the exponential equation for three positive values of x, three negative values of x, and at x=0. Transform the second expression into the equivalent logarithmic equation; and evaluate the logarithmic equation for three values of x that are greater

88. ## physics

A man is pulling on a rope with a force of 72 N directed at an angle of 55◦ to the horizontal. What is the x-component of this force? Answer in units of N. What is the y-component of this force? Answer in units of N.

89. ## Algebra

Suppose that the area of a square is forty-one times its perimeter. Find the length of a side of the square.

90. ## Information Technology

The Election Commission has mandated that you design a spreadsheet that will accept pertinent datd on constituencies and candidates votes and generate information that would enable the outcome of the elections to be divulged to the population in the

91. ## in organic chemistry

What is the ratio of the activities of Zn 2+ and Pb 2+ in a solution that is in equilibrium with respect to sphalerite and galena?disregard hydrolysis effet

92. ## Physics

A baseball player is approaching home plate with a speed of 5.8m/s when he decides to slide. He slides for 1.1s, just reaching the plate safe. What is the magnitude and direction of the player's acceleration? How far did he slide? His magnitude of

93. ## Finance

Royal Cup’s last dividend was \$ 1.00 per share and dividends are expected to grow at a rate of 6%. What is the current value of a share of this stock to an investor !@#\$%^&quires a 10 percent rate of return?

94. ## college2

What is the ratio of the activities of Zn 2+ and Pb 2+ in a solution that is in equilibrium with respect to sphalerite and galena?disregard hydrolysis effet

95. ## AP Chemistry

What are the two half-reactions for the basic oxidized-reduction reaction Fe(OH)2+ H2O2 --> Fe(OH)3? If I can find out the two half-reactions, I'll be able to balance the equation myself. Thanks!

In the book "The Journal of Finn Reardon", by Susan Campbell Bartoletti, When was Finn Reardon born and where. Plz Help Thx

97. ## inorganic chemistry

What is the ratio of the activities of Zn 2+ and Pb 2+ in a solution that is in equilibrium with respect to sphalerite and galena?disregard hydrolysis effet

98. ## Calculus

Find the slope of the graph y=x^9-2x+(square root of 5-x)^3 @ (1,7)

99. ## college

explain why the graph of x + y = k cannot pass through the quadrant III if k > 0.

100. ## English

1. We play yunnori on New Year's Day. 2. We play flower cards on Lunar New Year's Day. 3. We play Korean chess on New Year's Day. 4. Some Koreans wear traditional Korean clothes on Chuseok, Korean Thanks Giving Day or On Lunar New Years Day. 5. We give

101. ## science

Is blood a good electrical conductor? my answer is yes because it contains iron. Is there a website that could help me more with this question?

102. ## Algebra

how do you factor 4c^3-500 ?

103. ## college

100 kg car moving at 22 m/s runs into a horizontal spring with spring constant 4200 N/m. How far does the car displace the spring before coming to a stop?

104. ## algebra

Solve. Where appropriate, include approximations to the nearest thousandth. If no solution exists, state this 3^(2x + 1) = 243

105. ## Calculus

Solve for x: lnx^3 - 2lnx = 1 Please try and show how you got the answer best as you can thank you :)

how does respectfulness relate to being safe and responsible

107. ## College Anatomy

What organelle accumulates in the cells of those afflicted with Tay-Sach's disease?

108. ## comp 155

Compare and contrast your abilities as an academic writer now as opposed to when you began at Axia College. Using four comparatives and four superlatives within your responses, explain what has led to these changes and what changes you will make in the

109. ## math

2x9+5x3= How I got my Answer: 2x9=18 5x3=15 18+15=33 Answer - 33

110. ## math

. Which pair of fractions is proportional?0.8/0.4=3.2/2.4 or 0.8/0.4=4/2.4 or 0.8/0.4=3.2/2.4 or 0.8/0.4=4/2.4

111. ## geometry

if line EF=2x+1, line FG=4 and line HI=3x+11 x equals?

112. ## MATH

2/3 X 1/4= 3/12

113. ## Writeacher -geography

THANKYOU so much for taking the time to help me what you found was great and a big help thanks again i appreciate it.:)

114. ## english

Using the chicago style manuel, how would you cite this in in-text citation. Smith doesn’t disagree. (In fact, he claims he figured this out himself!) Citation: Smith, 2008, p. 15 There needs to be a citation after the word disagree and at the end after

115. ## conversion

a)339 Cal to kilowatt-hours

116. ## College Anatomy

What are linear structures formed from chromatin?

117. ## Chemistry

What is the difference between Residual Standard Deviation and Relelative Standard Deviation?

118. ## Chemistry

What is the difference between Residual Standard Deviation and Relative Standard Deviation?

119. ## Algebra

Write the equation of the function that has a graph the shape of y=3ãx, vertically shrunk by a factor of 1/4 and shifted right 6 units.

120. ## Math

Eva invested a certain amount of money at 9% interest and \$1600 more than that amount at 11%. Her total yearly interest was \$760. How much did she invest at each rate? 9%? 11%? Thanks for any of your help

121. ## trig

a wheel has a diameter of 18 inches and makes one full turn in 12 seconds and picks up a piece of gym how high off the ground is that piece of gum 18 seconds after the wheel picked it up

122. ## social studies

How did columbus attempt to appease the increasingly discontent settelrs in hispaniola

123. ## US History

I need to write a 5 paragraph essay defending my position on why I don't want American made products only, and why an open economy is better. Can I get some links/opinions or something to help me with this..? Thanks -MC

124. ## College Anatomy

What are large and diverse groups of chemical substances that some cells store temporarily?

125. ## chemistry

241 kJ to Calories how do i do this?

126. ## parenting

how do i start to write a onepage reflection on this quote'' making the decision to have a child is momentous. it is to decide forever to have your heart go walking around outside your body - elzabeth stone

127. ## english101

in bedford excercise #4 12-27 what is the answers a. after buying an album by Ali Farka T oure , Silas undrestood the rich and rolling rythms of Malian music. b. The rich and rolling rythms of Malian music after Silas bought an album by Ali Farka Toure.

128. ## algebra

Is the following pair of lines paralle or perpendicular? Prove the answer. 2y-x=2 y+2x=4 I think that the lines are perpendicular but do not know how to work the problem. x=6/5 y=8/5 Can some one show me how to work this equation?

129. ## math

Carol has 22% of her pay withheld for deductions. If she earns \$680 per week, what amount is withheld?

130. ## Algebra

1) 6 = (12/√x) + 2 2) 7x – 3 = 4x + 9 3) 12 – 4x = x2 4) (5 + x)/10 = 12 5) 10/(5 + x) = 12

can a company enter into a business transaction that affects only one side of the basic accounting equation?

132. ## math

WHAT IS THE GCF 16,24 ANSWER:8

133. ## science

why is carbon able to make a large variety of molecules?

134. ## college physics

A box on a frictionless surface is pulled back a distance x into a spring with spring constant k and released. What is the formula for the kinetic energy of the box after it leaves the spring?

135. ## Math

A group of 9 trout (considered the population) were isolated in a pond and fed a special food mixture called Grow Em Fast. At the end of the experimental period, the weights of the trout were (in grams): 124, 125, 123, 120, 124, 127, 125, 126 and 121.

136. ## algebra

Please help, very lost Evaluate the exponential function for three positive values of x, three negative values of x, and at x=0. Show your work. Use the resulting ordered pairs to plot the graph; submit the graph via the Dropbox. State the domain and the

(5x-3)(3x-8)

138. ## Finance

Caledonia last paid a dividend of \$1 per share 2010. In 2007, the Caledonia paid a dividend of \$0.84. This dividend growth rate is expected to be constant for the foreseeable future if the merger is not completed. If the merger is successful, the expected

139. ## calculus

Find the arc length of the graph of y = x from x = 0 to x = 3 using calculus.

140. ## Computer Security

The standard names used to identify the parties to secure communication session are?

141. ## English

Can you please tell me if the grammar is OK in the following sentences, please? 1)The novel consists of three parts and is set at the end of the 19th century. 2)The story begins with a group of men on a ship, Nellie, in the Thames estuary. 3)They are

142. ## Pre Calculus

As x increases from p/4 to 3p/2, the value of sin(x) : A.increases throughout the interval B.decreases at first, then increases C.increases at first, then decreases D.decreases throughout the interval E.none of the above please explain why the answer is as

143. ## Science

What are the disadvantages of Hubble Space Telescope?

WRITING A BOOK REPORT WHAT IS THE IMPORTANT THING I SHOULD WRITE?

145. ## College Anatomy

What organelle within B cells enlarges and becomes active as the cells are activated?

M-3 M+5 is less than or equal to 0

147. ## Chemistry

349 kJ to joules

148. ## metric system

label parts of compound light microscope

149. ## algebra

(2-x)/(2x+6)+ x/(x^2-9) Can some one please help solve this one because I stuck? I don't know how to sole this, so please somebody help!!

150. ## confidentiality in allied health,part 1

most medical malpractice cases are related to

151. ## math

-9 - (-5) = a A=4

152. ## College Physics

A 50 kg skater moving at 5 m/s over frictionless ice grabs a rope stretched out 10m from a post and perpendicular to her path. She then moves in circles, spiraling inward as the rope wraps around the post. How fast is she moving when she is 2 meters from

I've been asked to find the correct spelling and meaning of the name " Michelle" can you help been looking for a week now Thank you

154. ## Writeacher-geography

i think im doing the same homework as anika i was just wondering where Dubai and Switzerland came on the top 20 cities in the world of 2005. thankyou

156. ## Chemistry-dilutions

I have a 2000ppm benzoic acid solution.I want to prepare a 20ppm benzoic acid solution.Is it better to 1) do serial dilutions i.e. from 2000 to 200 to 20ppm or 2) prepare 20ppm standard fresh when required( take 10ul of 2000ppm stock and top up to 1ml in a

157. ## Science

Physical properties of matter for gold vs "fools gold" and coffee vs tea

158. ## hardware

What types of computer hardware would make your work life more efficient?

159. ## art

aaron Douglas first picture from the harlem of renaissance the name of the picture and date/time and material used and used for and symbolism please help meeee

160. ## algebra

solve log 4 x = -2

162. ## english

Sentence Correction and Changes in Writing

163. ## college math

Given the situation described, identify the type of sampling involved. A parish in Louisiana is divided geographically into school districts. A random sample from each of the school districts is selected

164. ## college art

please help me pick a favorite harlem Renaissance name of the picture date/time material used. and used for and symbolism

165. ## Geometry

The enrollments in the four elementary schools of a district are 278, 153, 215, and 198 students. What is the mean enrollment number?

166. ## confidentiality in allied health,part 1

A hospital may be liable for the actions of its employees under the doctrine of

167. ## math

I need some explanation on how to to this problem. (a) 3/3^-4 the answer is suppose to be (a)243 i worked on it and i placed the ^-4 to the top so then i got 81/3= 27 so (a) 27... tanks in advance if anyone can explain..

168. ## english

please help me to correct this sentence If I were Ashlee, I would not think that I would be able to provide assistance, more than expected, to the patient’s personal life besides physical care

169. ## math

I need some explanation on how to to this problem. (a) 3/3^-4 the answer is suppose to be (a)243 i worked on it and i placed the ^-4 to the top so then i got 81/3= 27 so (a) 27... tanks in advance if anyone can explain..

170. ## English

Here are the very last sentences on Conrad I'd like you to check. I really hope you can revise them, too. Is it the same if I use the present simple or the past simple when I refer to Marlow's own story? 1) Further upriver Marlow encountered a young

171. ## math

can someone show me how to graph y+1=-3/2(x-0)

172. ## mgt 450

What are some of the pros and cons of targeting a market niche? Explain your rationale

what are the facts of 3,5,8

175. ## social studies

rule is to game as law is to ________?

176. ## maths.

find the lcd of each setof fractions: 1/2, 1/8, 1/16

177. ## art

please help me pick a favorite harlem Renaissance name of the picture date/time material used. and used for and symbolism

178. ## college

370 papers need gradeed only 80% of them get done. How many ungraded papers will remain to be completed?

179. ## english

Their are three kids in the room.

180. ## algebra

square root 12/18

182. ## math

Find the prime factorization of the number 75 answer 5x5x5

183. ## MATH

7/12 + 2/12 = 9/12

184. ## math

How would you write a number in a newspaper? (298 345 453). Thank you.

185. ## social studies

(Christopher Colombus discovering Taino) What punishment did those who failed to collect their assigned gld have to suffer? Wee the qoutas reasonable or unreasonable

186. ## English

What does this quote mean in your own words? “Surround yourself with only people who are going to lift you higher.” Plz Help!! Thx

187. ## Math

How did Leonardo Fibbonacci contribute to the mathematicians we use today? Any help would be appreciated. :)

188. ## english

people with stronger friendship networks feel like there is someone they could turn to what does that quote means please help meee

189. ## math

u divided by 7 =3

x+7-5(3x+2)

191. ## phy

i need help in writing newton second law lab. we did three experiment, first we constant mass, then acceleration and then force. i did in laboratory correctly please help me. We use car on track and have 200g weight hanger and 250g of two blocks on car.

5x=-15

-7z=49

194. ## English

I forgot to include the following sentences. Thank you very much. 1.After each written test the class representatives are required to count the tests. put them in alphabetical order and give them back to me. 2.Before handing the tests back to you, I’ll

a n equailateral tringle has sides of equal length. find the domenwions of an equilateral tringle with perimeter of 45 inches

196. ## algebra

how do you make a small 2 if if you were going to write to the 2nd power?

3c=12