1. Biology

Draw map of nigeria and indicate the local biomes in the different state

2. Algebra

A boat traveled from Pier A to Pier B with the current in 2 hours. How far from each other are these piers, if the return trip took 6 hours, and the current speed is 2.5 mph?

3. Algebra

For what value of x is the double product of the binomials x+2 and x–2 is 16 less than the sum of their squares?

4. English

How does Margaret Atwood draw on source material in The Penelopiad? A: She tells The Odyssey from the view of Penelope's maids B: She tells The Odyssey from the view of a more modern woman C: She reveals Odysseus' true feelings about the events in the

5. Math Word Problem

A museum charges ​\$13.50 for a​ one-day youth admission and ​\$16.50 for a​ one-day adult admission. One​ Friday, the museum collected ​\$1581 from a total of 110 youths and adults. How many admissions of each type were​ sold?

6. physics

A 25.0-kg child on a 3.00-m-long swing is released from rest when the ropes of the swing make an angle of 31.0° with the vertical. (a) Neglecting friction, find the child's speed at the lowest position. m/s (b) If the actual speed of the child at the

7. physics

A 5.3-kg block is pushed 2.3 m up a vertical wall with constant speed by a constant force of magnitude F applied at an angle of θ = 30° with the horizontal, as shown in the figure below. If the coefficient of kinetic friction between block and wall is

8. Algebra 2

Task: Come up with a new linear function that has a slope that falls in the range -1

9. physics

A 56.0-kg runner has a speed of 3.10 m/s at one instant during a long-distance event. (a) What is the runner's kinetic energy at this instant? KEi = J (b) If he doubles his speed to reach the finish line, by what factor does his kinetic energy change? KEf

10. Physics

A closed inexpansible vessel contains air saturated with water vapour at 77 degree Celcius. The total pressure of the vessel is 1007mmHg. Calculate the new pressure if the temperature is reduced to 27 degree celcius. (svp water at 77 degree celcius and 27

11. calculus

A ship, proceeding southward on a straight course at the rate of 12 miles/hr is, at noon, 40 miles due north of a second ship, which is sailing west at 15 miles/hr. a) How fast are the ships approaching each other 1 hour later? b) Are the ships approaching

12. Calculus Pre Test Monday Part 3

The height, in metres, of an object that has fallen from a height of 180 m is given by the position function s(t)=-􏰀5t^2 􏰂+180, where t 􏰃>0 and t is in seconds. a. Find the average velocity during each of the first two seconds. b. Find the

13. Chemistry

What is the molarity of a solution that results when 3.64 g KCl is dissolved in water and diluted to exactly 200.0 mL?

14. life orientation

What can trigger spectator aggression in sport

15. Language Arts

Why, who makes much of a miracle? As to me I know of nothing else but miracles, Whether I walk the streets of Manhattan, Or dart my sight over the roofs of houses toward the sky, Or wade with naked feet along the beach just in the edge of the water, Or

16. Physics

A certain spring stretches 6 cm when a load of 30 N is suspended from it. How much will the spring stretch if 50 N is suspended from it (and it doesn't rsach its elastic limit)? I don't understand what to do for this problem.

17. math

John is twice as old as his friend peter.peter is 5 years older than Alice.in 5 years John will be three times as old as Alice .how old is peter now?

18. Chemistry

Calculate the volume of hydrogen produced at s.t.p when 25g of zinc are added to excess dilute hydrochloric at 3degree and 778mmhg pressure

19. World History

1.Reliance on secular thinking as opposed to decisions based on religion developed as a result of: a.the Scientific Revolution

20. Food Chemistry

A heat exchanger is used to warm apple cider using steam as the heat source. The cider is heated from an initial temperature of 4°C to a final temperature of 65°C. The steam enters the heat exchanger as 50% quality steam and exits as water condensate at

21. Chemistry

An interference filter is to be constructed for isolation of the nitrobenzene absorption band at 1537 cm-1. (a) If it is to be based on first-order interference, what should be the thickness of the dielectric layer (refractive index of 1.34)? (b) What

22. L.o

6 practical actions that you can take to address human rights violation of xenophobia in a community

23. math

A pharmacist has an 18% alcohol solution. How much of this solution and how much water must be mixed together to make 10 liters of a 12% alcohol solution?

24. calculus

Sand is falling into a conical pile so that the radius of the base of the pile is always equal to one half its altitude. If the sand is falling at the rate of 10 cubic feet per minute, how fast is the altitude of the pile increasing when the pile is 5 feet

25. chemistry

calculate joules release when 175g of steam condenses at 100c and cool the liquid to 35.00c

26. math

Julia measured the high temperature in her town for one week. Using the chart below, find the mean absolute deviation for the high temperatures. Be sure to show your work for finding: graph:sunday:50 monday:56 tuesday:52 wednesday:46 thursday:48 friday:42

27. maths

by selling at 77% some 9/4%shares of face value 100 and investing the proceeds in 6% shares of face value 100, selling at 110 a person got profit of 117. how many shares did he sell?

28. research statistics

Forty-nine items are randomly selected from a population of 500 items. The sample mean is 40 and the sample standard deviation 9. Develop a 99% confidence interval for the population mean. (Round your answers to 3 decimal places.)

29. Math

The line plot below represents the number of letters written to overseas pen pals by the students at Waverly Middle School. Each x represents 10 students. How many students wrote more than 6 and fewer than 20 letters?

30. math

Thirteen bowlers were asked what their score was on their last game. The scores are shown below. 190, 150, 154, 194, 182, 190, 170, 151, 190, 170, 178, 161, 180 Find the range of the bowlers’ scores.

31. Science

1. How does nanotechnology how engineers make products for the future? A. By changing a materials atomic structure, it can be made from elements that are easier to obtain. B. By changing a materials atomic structure, it's physical properties can also be

32. Calculus Pre Test Questions Monday Part 4

After t minutes of growth, a certain bacterial culture has a mass, in grams, of M(t) 􏰀=t^2. a. How much does the bacterial culture grow during the time 3􏰄

33. accounting

Harris Fabrics computes its predetermined overhead rate annually on the basis of direct labor-hours. At the beginning of the year, it estimated that 20,000 direct labor-hours would be required for the period? estimated level of production. The company also

34. Math

Johnson's house was \$112.00 per square meter to build. The house is 12 meters wide and 18 meters long. How much did it cost to build the house? 12x18=216 \$112x216=24,192 or \$112x12=1,344 \$112x18=2,016 Add=\$3,360 to build the house??

35. science

How can i prepare a 100ml, 0.1M phosphate buffer solution (pH = 7) out of Na2HPO4 and NaH2PO4

36. jmh

Which of the following was one of the policy changes Thomas Jefferson made when he became president? A. He used expensive displays to inspire the public’s respect. B. He planned to retire the national debt by paying it down. C. He wanted to build up the

37. microeconomics

If a firm holds a pure monopoly in the market and is able to sell 5 units of output at \$4.00 per unit and 6 units of output at \$3,90 per unit, it will produce and sell the sixth unit if its marginal cost is 4.00 or less 3.40 or less 3.90 or less

38. Chemistry

Write the balanced equation for the neutralization reaction between H3PO4 and NaOH in aqueous solution. Phases are optional.

39. life orientation

Propose 6 practical action that you can take to address human right violatoib of xenophobia in your community

40. financial maths

A loan is repaid at the rate of \$200 per week for 15 years. if the interest rate is 6.65% per annum.Calculate the the total amount repaid

41. SCIENCE

a body at rest is given an innital uniform acceleration of 8.0m/s-2 for 30s,acceleration reduce to 5.0m/s-2 for d next twenty sec.body mentains speed ten for 60s after brought to rest in 20s draw in graph 1.using d graph to calculate 2.maximum speed attain

42. algebra 1

A man invests 10,000 dollars in two accounts, the first yielding 4 percent annual interest and the second, 5 percent. If x dollars is invested in the first account, how much annual interest does the man earn on his investement?

43. PHYSICS

please.!PLEASe PLEASE. help me. TRUE or FALSE 1.the north pole of a permanent magnet is attracted to a south pole 2.iron,aluminum, and nickel are all ferromagnetic materials 3.all permanent magnets are surrounded by a magnetic field 4.the direction of a

44. Economics

What are the costs and consequences of providing the subsidies and welfare?

45. Calculus Pre Test Questions Monday Part 4

After t minutes of growth, a certain bacterial culture has a mass, in grams, of M(t) 􏰀=t^2. a. How much does the bacterial culture grow during the time 3􏰄

46. precal

A wheel with a 22 inch diameter is turning at the rate of 31 revolutions per minute. What is the linear speed of a point on the rim, measured to the nearest inch per minute?

47. physics

A daredevil on a motorcycle leaves the end of a ramp with a speed of 30.5 m/s as in the figure below. If his speed is 29.0 m/s when he reaches the peak of the path, what is the maximum height that he reaches? Ignore friction and air resistance. m

48. college physics

determine the displacement vector that must be added to the displacement) 25-16) m to give a displacement of 7m pointing in the positive x-direction?

49. finance

A 10-year bond has a coupon rate of 7% annually and a principal payment of \$1,000.00. Other similar bonds are paying 9% annually. To determine the value of this bond you must:'

50. calculus

An angler has a fish at the end of his line, which is being reeled in at the rate of 2 feet per second from a bridge 30 feet above the water. At what speed is the fish moving through the water towards the bridge when the amount of line out is 50 feet?

51. Physics

help me to my homework please.!PLEASe PLEASE. TRUE or FALSE 1.the north pole of a permanent magnet is attracted to a south pole 2.iron,aluminum, and nickel are all ferromagnetic materials 3.all permanent magnets are surrounded by a magnetic field 4.the

52. Math Word Problem

Each course at college X is worth either 3 or 4 credits. The members of the​ men's swim team are taking a total of 52 courses that are worth a total of 169 credits. How many 3​-credit courses and how many 4​-credit courses are being​ taken?

53. math

Glenn has 4 pants and 3 shirts. How many different pairs of pants and shirts can he wear?

54. math

a box is 11 inches tall, 2 inches deep, and 8 inches wide. What is the surface area of the box that is needed for the cereal

55. Science - Ms. Sue plz

Which structures on the ocean floor are equivalent to mountains on land? Thanks.

56. masters

A wheel with a 22 inch diameter is turning at the rate of 31 revolutions per minute. What is the linear speed of a point on the rim, measured to the nearest inch per minute?

57. Alg2

How can (1/4)x-3=(1/2)x+8 be setup as a system of equations? 4y + 4x = −12 2y + 2x = 16 4y − x = −12 2y − x = 16 4y + x = −12 2y + x = 16 4y − 4x = −12 2y − 2x = 16

58. Physics

I don't know how to go about this question. We only have an initial velocity and no final velocity, distance or time. A proton is fired from far away toward the nucleus of a mercury atom. Mercury is element number 80, and the diameter of the nucleus is

59. stats

3. A fitness center is running a discounted membership fee. Did the discount increase the membership sales? Write your hypotheses mathematically.Write null and alternative hypothesis.

60. World History

These documents(Declartion of the rights of man and the citizen, English bill of rights, Marna carta , declaration of independence) established a system in which: a.The power of a leader came straight from God b. The individual was more important than the

61. calculus

The sales(in millions) of a DVD recording of a hit movie t years from the date of release is given by a) Find the rate of which the sales are changing at time t. b) How fast are the sales changing at the time the DVDs are released? c) How fast are the

62. Math

integrate (x^2+8)/(x^2-5x+6) by partial fractions method. I first did long division, and came up with 1+((5x+2)/(x^2-5x+6)). Then I did partial fraction for (5x+2)/(x^2-5x+6) by going A/(x-3)+B/(x-2) and I got 17/(x-3)-12/(x-2) to take the integral of. But

63. Chemistry

If 10.0 L of hydrogen collected over water at 20' C and 750 mm Hg are produced, how many grams of iron metal must react with excess steam?

64. Physics

A 20.0 kg block is connected to a 30.0 kg block by a string that passes over a light, frictionless pulley. The 30.0 kg block is connected to a spring that has negligible mass and a force constant of 260 N/m, as shown in the figure below. The spring is

65. Algebra

two friends sold many pieces of furniture and made \$1720 during the garage sale. They had fourteen more \$10 bills than \$50 bills. They had 4 more than two times as many \$20 bills as \$50 bills. How many of each denomination did they have?

66. Science

How many grams of sodium hydroxide are needed to react with 50 grams of phosphoric acid?

67. English

hi I need help with this. It is a section from the story 'The Sniper' and it is a PEE (Point, Evidence, Explanation) question... PLEASE HELP ME. Here is the question: "The writer says that the sniper's eyes had 'the cold gleam of the fanatic' what does

68. physics

How does a vaccum flask minimize heat change with surrounding

69. math

show that the constant p cannot lie between 1 and 2 if the equation px^2-p+10=2(p+2)x has real roots

70. math

Assume it is known that the probability of birth is equal in all months. What is the probability that in the STAT 1025 class of 120 students, exactly 20 students have their birthdays in either August or September? Solve using (i) the exact Binomial

71. Economics

Are there any welfare or subsidy payments that should be reviewed or added?

72. history

What were arguments for maintaining the slave trade and slavery in general during the Constitutional Debates on Slavery? How did the delegates from Georgia and South Carolina in particular impact the debate?

73. biology

A positive control group contains the dependent variable under study. true or false i guess it's true

74. Studing math.

Hi. I got a question. I am almost about to take the state test(AZmerit) I feel worried. What may i do? I am in the fourth grade.

75. Geography

4. Islam is predominate in northern ___________, while traditional religions are predominate in the south. This led to a civil war and the eventual breakup of this country. A. Iraq B. Sudan C. Malaysia D. Ethiopia E. Yugoslavia B

76. Physics

A 12-V automobile storage battery has an internal resistance of 0.004 ohms. A) Find the current and power dissipation when the terminals are connected by a conductor of negligible Resistance B) The battery delivers 80A to the starter motor. What resistance

77. World History

What role did politics play in the Industrial Revolution?

78. Maths

y = 2[cos1/2(f1 - f2)x][cos1/2(f1 + f2)x] let f1 = 16 let f2 = 12 therefore y = 2[cos1/2(16 - 12)x][cos1/2(16 + 12)x] y = 2cos(2x)cos(14x) derive y = 2cos(2x)cos(14x) y' = 2[-2sin(2x)][-14sin(14x)] is all of this correct? Additionally, I am unsure how you

79. Accounting

On April 1, 2013, Ringo Company borrowed \$20,000 from its bank by using a 9%, 12 month note, with the interest to be paid on the maturity date. I do not understand this question, can you help me out, please.

80. Calculus

Hellp I have a calculus test on Monday 2. Calculate the slope of the tangent to the given function at the given point or value of x a. f(x)=3/x+1,P(2,1) b.h(x)=2/squareroot x + 5, P(4,2/3) ****Full solutions to please because I do not know what I'm doing

81. english

Out of the following ten sentences, 5 of them are correct in their use of apostrophes. Simply write the numbers of the five sentences that are correct. . The five sentences that I choose were correct were 3,4,6,7, and 8 Is this correct? Canada’s mens’

82. Math

There are 44 learners in Mart's class.the ratio of the number of boys to the number of girls is 5:6.how many boys are there in Mart's class?

83. Chemistry

I have to summarize 10 articles relating to the topics we had covered in class. However, there are 3 sources out of the 10 that I don't understand. Could someone possibly go through the sources and summarize them. 1.) This article covers Nuclear Chemistry

84. math

a private jet flies the same distance in 6 hours that a commercial jet flies in 4 hours.if the speed of the commercial jet was 143 mph less than 2 times the speed of the private jet, find the speed of each jet

85. geometry

Two persons each hold the end of a 20 ft long jumping rope. How far apart should they stand if they hold the rope 4.5 ft off the ground, and the middle of the rope just touches the ground? Assume the arc formed by the jumping rope is circular. I know that

86. English

Help me pleas!!! I need to write a good story (150-200 words)

87. math

a fair die is tossed three times. Find the probability of getting a. Three 4s b. Three 5s c. Three 4s or three 5s

88. hist/175

Do you think that the Korean War was merely a civil war in which the United States supported one side, or should it be considered an international war in which the United States used the United Nations to further its anticommunist policies? Why?

89. Mathematics

How would I differentiate y = 4cos(2x)cos(3x) u = cos(2x) u' = -2sin(2x) v = cos(3x) v' = -3sin(3x) This is all I have so far

90. stats

Assume it is known that the probability of birth is equal in all months. What is the probability that in the STAT 1025 class of 120 students, exactly 20 students have their birthdays in either August or September? Solve using (i) the exact Binomial

91. Finance

Sara has \$2,500,000 and can earn 12.50 percent per year. If Sara plans on retiring when she has tripled her money, she can retire in how many years.

92. Accounting

On April 1, 2013, Ringo Company borrowed \$20,000 from its bank by using a 9%, 12 month note, with the interest to be paid on the maturity date. Sorry about not being more descriptive. I need to find the maturity date, prepare a journal for it, and then

93. L.O

Assess the extent to which bad road use has a direct impact on the phisical,emotional,social and economic aspect to the family,country and community

94. Geometry

Two secants of a circle meet in a point out side to the circle. One Secant has 4 and x. The other Secant is 5 and 4. What will be x?

95. Geography

what is the problem with a large scale religious map

96. Math

17) solve this linear system using the method of substitution. 2y-x=-10 y= -3/2x-1 20) simplify then solve by substitution 2(x-4)+y=6 3x-2(y-3)=13 just need help with these 2.

97. World History

5.Because of the Industrial Revolution, anyone could attain wealth. This event led to a change in the political development in the newly industrialized nations. This was evident in: a.the rising middle class’s rejection of nationalism

98. MATH

A PLOT OF RECTANGULAR LAND HAS A WIDTH OF 20 FEET.THE TOTAL SQUARE YARDS ARE 396.WHAT IS THE LENGTH OF THE PLOT

99. Algebra

Two trains, one going from Boston to New York and the other going from New York to Boston, started their trips at exactly same time. Speed of the first train was 10 miles per hour less than twice the speed of the second train. How far from Boston station

100. Math

Six year old Rosie wants to write down all counting numbers up to one thousand. When she finished writing 12, she had 15 digits. Rosie gave up after she had correctly written 2358 digits. What was the last number she wrote?

101. PHYSICS

A CHILD CONSUMED .23 KG OF JUICE WITH 115 CALORIES PER 1.15 SERVING. HOW MUCH WORK MUST PERFORMED TO REMOVE THESE CALORIES?

102. PHYSICS

A CHILD CONSUMED .23 KG OF JUICE WITH 115 cALORIES PER 1.15 SERVING. HOW MUCH WORK MUST PERFORMED TO REMOVE THESE cALORIES?

103. Physics

hearing rattles from a snake, a boy make two rapid displacements of magnitude 1.8m and 2.4m in sketches show how the two displacements might add up to give magnitude of 4.2m, 3.0m and 0.6m?

104. History

How did cooperatives in Texas help those living in rural areas?

105. physics

a 25v heater has two elements, one of which is missing. if the resistance of the remaining element is measured to be 50 ohm,what must the resistance of a second element be when connected in parallel to maintain a current of 1 amp.

106. algebra 1

For some real number b, the graph of the line y = 3 x + b passes through the point (7, −3). What is its y-intercept?

107. math

How would I go about solving this problem? (-6x^6)(-6x^2x^6)

108. math

Given that i=\$700,p=\$3,500 and t=4yrs. Find the rate

109. algebra or algebra1

f (x) =|x− 6|7−x, then f(−1)

110. math

find the three consecutive even integers such that three times the first equals the sum of the other two

111. math

show that p= 4/5q if the equation px^2+3px+p+q=0 where p is not equal to 0 , has two equal real roots

112. Calculus

Calculate the slope of the graph of f(x)=4-x^2 if x1 at each of the following points: a.P(-1,3) b.P(2,5)

113. math

Problem 8. 5 pts. Find the exact values of the remaining 5 circular functions for angle θ, given that sinθ = 1/9 and θ is an angle in the 2 nd quadrant.

114. stats

A car manufacturing company is interested in finding the average fuel consumption of one of its new models Leopard F-type. Hundred test drivers are chosen and asked to drive the car in urban conditions for 8 hours. The average fuel consumption of the 100

115. World History

which of the following describes socialism? a.the belief of laissez-faire b.private ownership c.developed in response to the exploitation (taking advantage) of workers

116. algebra

I've tried this problem like 7 times and still struggling: f(x)=9x^3+2x^2-5x+4 and g(x)=5x^3-7x+4 so what is f(x)-g(x)? My answer was 4x^3+2x^2+2x...... is this correct? If not please help.

117. analytical chemistry

what is the volume that must be added to dillute 20.0 ml of 0.1M Hcl to 0.02M Hcl