3. Based on the context clues, what is the meaning of the word catalpa in Line 27 of the poem? (The poem is Almost Summer Sky by Jacqueline Woodson) Line 27: No, upstate they got maple and catalpa and scotch pine, A a location upstate B a species of

2. English

8. What can readers infer from the following quote from Act V, Scene 3 of Romeo and Juliet? Romeo: O, be gone! By heaven, I love thee better than myself; For I come hither arm’d against myself: Stay not, be gone;--live, and hereafter say, A madman’s

A weatherman reports, "The storm waves are about 2 meters high and about 25 meters apart." What properties of waves is the reporter describing? A. frequency and wavelength B. wavelength and wave speed C. amplitude and wavelength D. amplitude and frequency

4. English 9

. Read the following line from Romeo’s monologue in Act II, Scene 2 of Romeo and Juliet, where Shakespeare employs personification: Arise, fair sun, and kill the envious moon, Who is already sick and pale with grief, That thou her maid art far more fair

The time between a lightning flash and the following thunderclap may be used to estimate, in kilometers, how far away a storm is. How far away is a storm if 9 seconds elapse between the lightning and the thunderclap? Use the formula d= t/3 , where t is the

6. Pre ALGEBRA

what are the next three terms in the sequence -6, 5, 16, 27? A)38,49,60 B)37,47,57 C)36,45,54 D)36,46,57 i think its a Am i right Somebody help me please DAMON,MS.SUE, SOMEBODY PLEASE HELP ME

7. Math

What is 37.52 rounded to the nearest whole

8. Science

Why is photosynthesis an example of a chemical reaction, and why is it classified as endothermic?

9. Science Help

Soundproof rooms take advantage of which property of waves? A. Absorption B. Regular reflection C. Refraction D. Diffuse reflection Is the answer C? Thank you for your help and time.

10. Math

What is the term for data that are grouped closely together? A. Outlier B. Linear C. Positive D. Clustering Is the answer C? Thank you for your help.

11. Social Studies

Which of the following is the staple crop of the north China plain A. Barley B. Rice C. Soybeans D. Wheat**** Crops grow well on the north China plain because the Huang river A. Forms a barrier to animals that eat crops B. Changes weather patterns in the

12. science

14. the sun's layer is called the photosphere . ( 1point) A. true b. false 15. meteoroids can form when comets break apart , creating dust clouds . ( 1point ) A. true b. false 16. a star is born whenever a nebula expands . ( 1point ) A. true b. false 17. a

During exercise, the recommended maximum heart rate in beats per minute is modeled by the formula M = 176 – 0.8A, where M is the maximum heart rate and A is the person’s age. Approximately, at what age would you have a recommended heart rate in beats

14. Math Check My Work Please

Find the value of the variables in the table. x n 4 6 10 12 y 1 9 m 21 25 m = 13, n = 0 m = 11, n = 0* m = 15, n = 3 m = 13, n = 3 6. Write an expression to describe a rule for the sequence. Then find the 100th term in the sequence. 4, 9, 14, 19, 24, 29, .

15. Health

3. The muscular system allows our bones to: A. Strenthen B. Contract C. Lenghthen D. Move***** 4. This muscle helps to transport blood to and from the heart: A. Smooth Muscle***** B. cardiac Muscle C. Skeletal Muscle D. Invoulntary Muscle 5. The blood

1.A weatherman reports, “The storm waves are about 2 meters high and about 35 meters apart.” What properties of waves is the reporter describing? (1 point) A.frequency and wavelength B.wavelength and wave speed C.amplitude and wavelength ***

17. Physics

A hollow spherical shell with mass 2.45kg rolls without slipping down a slope that makes an angle of 30.0∘ with the horizontal. a.) find the magnitude of the acceleration of the center of mass of the spherical shell. b.) find the magnitude of the

18. Social Studies

Until the 1700s, the mayan calendar was much more accurate than any calendar used in... A. the United States B. Europe C. China D. the Middle East

19. Stat

A Bacteria has a doubling period of 8 days. If there are 2250 bacteria present now, how many will there be in 33 days? find the growth rate (Round this to 4 decimal places). Growth Rate___________. There will be _________ Bacteria.

6. It is the middle of winter and like everyone else you have caught a cold, your body relies on your ______ to help you boost your immune system. A. Plasma B. Red Blood Cells C. White Blood Cells D. Platelets

21. LA

In which of these lines is the meaning of the word resent best expressed? A. "Suppose you try kepping still for five minutes." B. "Anne, dear, don't be such a baby." C. "You know we're going to forget how to dance...When we get out we wont remember a

22. Science

Which of the following may have happened if the inner planets had greater masses during the formation of the solar system? A. The inner planets may have been even smaller and rockier. B. The inner planets may have been larger and more gaseous. C. The inner

A Bacteria has a doubling period of 8 days. If there are 2250 bacteria present now, how many will there be in 33 days? find the growth rate (Round this to 4 decimal places). Growth Rate___________. There will be _________ Bacteria. I came up with:.0668 for

24. Math Check My Work Please 2

15. Lisa takes a loan of \$10,500 at a 9% simple interest rate for 7 years. a. How much interest will she pay after 3 years? b. How much interest will she pay in total for the loan? \$2,835.00; \$6,615.00 \$8,280.00; \$9,720.00* \$13,598.00; \$19,194.00

Marie and Pierre noticed burns on their fingers after handling test tubes containing radioactive substances. This observation led to A. the discovery of natural fluorescence. B. the discovery of X-rays. C. the discovery of radiation therapy. D. the

26. Social Studies

What effect did workers' low wages in China and Taiwan have on export sales? a. other countries did not want the low-priced products. b.other countries quickly bought the low-priced products c.other countries made low-priced products themselves d.other

27. geography

2) resources that include workers and their labor are called ________ A) Natural resources B) human resources C) Industrial resources D) Capitol resources 3) which of these is the most likely opportunity cost of choosing to play a board game rather than go

28. Chemistry

I did a lab on vinegar and titration. The question asks.. In the titration of acetic acid and NaOH the use of the color indicator mandates that excess base be present to detect the reading endpoint. Will this cause the calculated and reported mass percent

Based on the context clues, what is the meaning of the word catalpa in Line 27 of the poem? 27: No,m upstate they got maple and catalpa and scotch pine, A a location upstate B a species of tree**** C a family of birds D a dense puffy cloud In the previous

30. Steve - Stat

A Bacteria has a doubling period of 8 days. If there are 2250 bacteria present now, how many will there be in 33 days? find the growth rate (Round this to 4 decimal places). Growth Rate___________. There will be _________ Bacteria. The growth rate you

31. health

when consuming fats,the healthiest choice is food high in .saturated fats .unsaturated fats .trans fats .cholesterol *** is it D ?

Marie and Pierre noticed burns on their fingers after handling test tubes containing radioactive substances. This observation led to A. the discovery of natural fluorescence. B. the discovery of X-rays. C. the discovery of radiation therapy. D. the

33. life orientation

explain clearly how intrapersonal conflict ca be addressed through engaging in physical exercises

34. Social Studies

Which of these would most likely be allowed to appear in China today but not in China during the Cultural Revolution? a. a film about the idea of Mao Zedong b. a newspaper article criticizing one-child policy c. a website commemorating the Tiananmen Square

35. science

A charge of +9.0 nC and a charge of +4.0 nC are separated by 50.0 cm. Find the equilibrium position for a −1.0 nC charge as a distance from the first charge. The Coulomb charge is 8.98755 × 109 N · m2 /C 2 . Answer in units of cm.

36. Physics

A mass of 5Kg is 1st weighed on a balance at the top of a tower 20m high.The man is then suspended from a fine wire 20m long and reweivhed.find the difference in a weight ,assuming that the radius of the earth is 6400km,the mass of the earth is 6×10^24kg

37. chemistry

What is the strongest intermolecular force that occurs between carbon dioxide molecules? A. London dispersion forces B. Hydrogen bond C. Covalent bond D. Dipole-induced dipole attractions I think the answer is D but I am not sure

38. Physics

two cars start from rest and begin accerlating, one at 10m/s^2 and the other at 12m/s^2. how long will it take for the second car to be 100m ahead of the first car

39. Three Branches

Compare and Contrast The three branches of government. Please help i have read on plenty of websites and i found the contrast just not the compares

40. life orientation

four fraud of the students who receive and repay nfsas

41. Science

Which of the following planets is considered a rocky, or terristrial, planet? A. Venus B. Neptune C. Saturn D. Uranus Is the answer A? Thank you

42. math

What is the average of all of the integers from 17 to 55?

43. chemistry

Stainless steel is an alloy of iron containing 5 percent nickel and 0. 175 percent chromium. How much chromium is present in a 72.2 g sample of this alloy? Answer in units of mol.

44. LA

Which expression best represents the view a fatalist would have? A. "Whatever will be, will be." B. "The best is yet to come." C. "We are still masters of our fate." D. "You don't know what you have until its gone." Could the answer be A? Thank you

45. Chemistry

The reason that nonpolar oil will not dissolve in polar water is that the attractive forces between: A. the oil molecules are ionic and the attractive forces between the water molecules are covalent. B. the water molecules are weaker than the attractive

46. Chemistry

Assuming that the lab procedure was conducted in an identical manner in all other respects, if a large quantity of vinegar had been taken initially for analysis, for example, a 50.0 ml instead of 25.0mL discuss briefly how each of the following would

47. chemistry

Several reactions are carried out using AgBr, a cream-colored silver salt for which the value of the solubility product constant, Ksp, is 5.0 x 10-13 at 298 K. a) Calculate the value of [Ag+] in 50.0 mL of a saturated solution of AgBr at 298 K. b) A 50.0

48. math

Mrs. Bollo's second grade class of thirty students conducted a pet ownership survey.results of the survey indicated that 8 students own a cat, 15 students own a dog and five students owned neither a cat or a dog. how many of the students surveyed owned

49. chemistry

A solution of fructose, C6H12O6, a sugar found in many fruits, is made by dissolving 22.0 g of fructose in 1.00 kg of water. What is the molal concentration of fructose the solution? What is the mole fraction of fructose in the solution? What is the mass

50. math

Mary has 7 1/4 yards of fabric. she cuts off 3/4 foot of fabric to make the edge even. Mary wants to end up with 3 pieces of fabric that are the same size. how long will each piece be?

51. LA

What is the prepositional phrase in the following sentence? The food and the extra water were kept in storage cabinet. A. The food B. and extra water C. were kept D. in the storage cabinet Is the answer D? Thank you for your help.

52. Science Help

A projectile that is launched at 15 degrees and the landing height is the same as the launch position. If this is true, then at what other angle can the projectile be launch to achieve the same horizontal displacement?

53. Chemistry ( HELP PLEASE!!! )

Consider the reaction H3PO4+ 3NaOH→Na3PO4+ 3H2O. How much Na3PO4 can be prepared by the reaction of 3.43 of H3PO4 with an excess of NaOH?

54. Statistics

A Particular pain relieving medicine has a decay rate of 24% an hour. A patient was given a dose of the medicine 5 hours ago and there is currently 74mg of the medicine in the patients bloodstream. Q: What was the Origional dose of the medicine? ________

55. Math

Beginning at age 35, Ms. Trinh invests \$4000 each year into an IRA account until she retires. When she retires she plans to withdraw equal amounts each year that will deplete the account when she is 80. Find the annual amounts she will receive for each of

56. env.sc.

How many No.of ions of cadmium present in 3n moles of cadmium nitrate

57. ELA

What differences became matters of life and death during the Holocaust? There are no choices in the question. SOMEONE HELP ME PLEASE. MS. SUE, WRITETEACHER,SOMEBODY HELP ME PLEASE

58. Statistics - Can anybody help me?

A Particular pain relieving medicine has a decay rate of 24% an hour. A patient was given a dose of the medicine 5 hours ago and there is currently 74mg of the medicine in the patients bloodstream. Q: What was the Origional dose of the medicine? ________

59. PHYSICS

A submarine is trapped at the bottom of the ocean with its hatch at a depth of 20 m below the surface. The hatch is circular and 0.40 m. Calculate the force that would have to be exerted against it to open it. The air inside the submarine has a pressure of

1.A weatherman reports, “The storm waves are about 2 meters high and about 35 meters apart.” What properties of waves is the reporter describing? (1 point) A.frequency and wavelength B.wavelength and wave speed C.amplitude and wavelength ***

61. philosophy

Libertarianism believes that causal determinism is true. Select one: True False I think true Whether or not we have free will seems to have implications for which of the following? Select one: a. Our idea of God b. Our idea of the physical laws of the

62. French

I am working on my French homework (direct/indirect) and would like to check my answers and make sure I am on the right track. I am having difficulty with the following: Options: Me/m’, te/t’, nous, vous, le, la, les, lui, leur, y, en A. Je vais au

63. chemistry

The Kw of water varies with temperature. Calculate the pH of water at 46⁰C with a Kw = 1.219 x 10-14. Show all calculations leading to an answer.

64. Math

1. The fourth and seventh terms of a geometric sequence are 6 and 384, respectively. What is the common ratio and the sixth term of the sequence? 2. The fifth and eight terms of a geometric sequence of real numbers are 7! and 8! respectively. What is the

65. Math

Of the coins in my collection, 13/25 are quarters. Of these quarters 2/3 are state quarters. What fraction of my coins are state quarters? I think I need to divide 13/25 by 2/3 and my answer will be 39/50. Is this correct. Thank you for your help.

66. Statistics

80. Florida State University has 14 statistics classes scheduled for its Summer 2013 term. One class has space available for 30 students, eight classes have space for 60 students, one class has space for 70 students, and four classes have space for 100

67. Criminal Justice

Planned, premeditated killings of family members whose behavior is judged to have brought shame or dishonor to the family are referred to as:

You have taken me prisoner with all my warriors. I am much grieved, for I expected, if I did not defeat you, to hold out much longer, and give you more trouble before I surrendered. I tried hard to bring you into ambush, but your last general understands

70. Chemistry

The density of air is about 1.29g/l at standard temp and pressure . Would carbon dioxide rise up or sink in the atmosphere ? Thanks:)

71. Mathematics

The sum of the 1st and 2nd terms of an AP is 4 and the 10th term is 19. Find the sum of the 5th and 6th terms

72. math

convert 34.6% to a decimal

73. Marianne

Fill in the blank: The electrons follow a ________ path when they are deflected in a magnetic field due to the magnetic force.

74. Algebra

A chemist has one solution of 20% acid and another of 50% acid. how many millimeters of each are needed to obtain 30 ml of 30% acid?

75. Math (Pre-Calc)

Use the Law of Sines to solve for all possible triangles that satisfy the given conditions. (If an answer does not exist, enter DNE. Round your answers to one decimal place. Below, enter your answers so that ∠A1 is smaller than ∠A2.) b = 74, c = 84,

76. statistics

A clinical trial tests a method designed to increase the probability of conceiving a girl. In the study 395 babies were born, and 316 of them were girls. Use the sample data to construct a 99% confidence interval estimate of the percentage of girls born.

77. english

The principal parts of a verb are A. present tense, past tense, future tense. B. present tense, present participle, past tense, past participle. C. base form, helping verb, past participle. D. base form, past tense, past participle, future tense.

78. CHEMISTRY

How many atoms of carbon are present in 12.9 g of a compound that is 36 .7% carbon, by weight? Answer in units of atoms.

79. Physics - Mechanics

A large box of mass M is at rest on a horizontal table whose surface is rough; the coefficient of static friction between the table and the block is μ. The box is connected by a taut string to a small block of unknown mass m, initially held horizontally

80. Chemistry

An electron has an uncertainty in its position of 507pm. What is the uncertainty in its velocity?

81. Pre-Calculus

Use the Law of Sines to solve for all possible triangles that satisfy the given conditions. (If an answer does not exist, enter DNE. Round your answers to one decimal place. Below, enter your answers so that ∠B1 is smaller than ∠B2.) a = 34, c = 43,

82. chemistry

600 gallons of 15 M nitric acid were added to a lake. The initial pH of the lake was 5.90 and the final pH was 3.70. What is the volume of the lake?

83. college physics

When a thin 12.0cm iron rod moves with a constant velocity of 6.50m/s perpendicular to the rod, the induced emf across its ends is measured to be 0.300V. What is the magnitude of the magnetic field?

84. Physics - Mechanics

A bullet of mass m is shot at speed v toward a pendulum bob of mass M. The bullet penetrates through the block and emerges on the other side traveling at speed v/2. 1. What is the speed v_block of the block immediately after the bullet emerges from the

85. INT. Algebra

suppose that W is inversely proportional to V. If W = 63 when V = 9, find W when V = 81

86. vectors and geometry

Find the scalar product a.b. If a = 2i + 3j + 4k and b = 5i - 2j + k

87. Physics - Mechanics

A small block of mass 1.2 kg is launched by a compressed spring with force constant k=600 N/m. The initial compression of the spring is 0.15 m. The block slides along a horizontal frictionless surface and then up an inclined plane that makes an angle

88. Social Studies

CCA User 2) The only native american's who successfully stayed on their land were the? A)Seminole*** B)Sauk C)Cherokee D)Fox 5)The first college in the United States to admit women and African Americans? A)Mount Holyoke B)Ashmun Institute C)Oberlin college

89. chemistry

describe how you can prepare 500cm of0.1m of standard hydrochloric acid from commercial concentrated HCL of density 1.18g/cm and percentage by 37%

90. Math

a hillside is inclined at an angle of 30 degrees with the horizontal. how much altitude has mary gained after hiking 40 meters up the hill?

91. chemistry

What volume of 0.050 M AgNO3, silver nitrate solution is required to reat completely with 60.0 mL of 0.025 M K2S, potassium sulfide?

92. trig

a balloon is tethered to the ground by a string 5 m long if the string makes an angle of 65 degrees with the ground how high above the ground is the balloon

93. chemistry

what's the lewis dot diagram for methanol?

94. Math

1. Find all values of p so that 6p, 4p-1, p^2 - 1 will be an arithmetic sequence. 2. The common ration of a geometric sequence is -3. IF the terms of this sequence are 3y, y+6, z+1, ..... respectively, what is the value of z?

95. linear algebra

The outstanding balance on Peter's credit card account is 4730 dollars. The bank issuing the credit card is charging 19.3 percent of interest per year compounded monthly. If Peter decides to pay off his balance in equal monthly installments at the end of

96. Math - Geometry

An object is launched from certain height into the air. The height is modeled by the the function h(t) = -4.8t^2+23t+20. The time (t) is measured in seconds. A) What is the maximum height? B) After how many seconds will it hit the ground? C) From what

if a rock is dropped into a well and it takes 17 seconds to hit the water how far down is the water level from the top of the well

98. Statistics

Good Afternoon, Hope everyone will have a nice weekend. I am sorry to bother you all, but I am failing statistic. Can someone give me an example of this and example of a regression hypothesis. Thank you

99. math

a model of a solid structure in the shape of frustum of a cone with hemispherical top. The diameter of the hemispherical part is 70 cm and is equal to the diameter of the top of the frustum. The frustum has a base diameter of 28 cm and slant height of 60

100. math

What is 612 divided by 9

101. Math Triangles

ABCD is a trapezium in which AB is parallel to DC and its diagonals intersect each other at point O .Show that AO/BO=CO/DO

102. chemistry

What is the % carbon by weight in 1.7 grams of potassium carbonate (K2CO3)? Answer in units of %.

103. Math

1. Find the inverse of the logarithmic function f defined by f(y) = 2 log5 (2y-8) + 3. 2. If x > y > 1, what is the largest possible value of logx (x/y) + logy (y/x)?

104. vectors and geometry

Given that a = 5i +2j - k and b = I - 3j + k. Find (a + b) x (a + b).

105. Calculus 1

Use logarithmic differentiation to find the derivative of the following equation. y = (2x+1)^5(x^4−3)^6

106. Chemistry

Rolaids is an over the counter remedy for upset stomachs that functions by reacting with stomach acid. The active ingredients are calcium carbonate (550 mg) and magnesium hydroxide (110 mg). The inactive ingredients are dextrose, flavoring, magnesium

107. chemistry

if .5 g of a KHP containing unknown mixture requires 7 mL of NaOH to reach the endpoint of titration, what mass of the unknown should be weighed out to consume 20 mL of the NaOH. If anyone could help me start this that would be appreciated. Thanks!

108. Physics

In the drawing, the weight of the block on th e table is 380 N and that of the hanging block is 175 N. Ignore all frictional effects, and assuming the pulley to be massless. What is the acceleration of the two block?

109. Social Studies

Can someone please explain John C. Calhoun dream for the United States.

110. Geometry

John is painting the side of a building that is 30ft tall. The ladder is at a 68 degree angle with the ground. while standing on the ladder the highest point John can reach is 4 ft above where the ladder touches the wall. What is the shortest ladder John

111. chemistry

describe how you can prepare 500cm of 0.1 of hydrochloric acid from commercial Hcl of density 1-18g/cm and the percentage by mass 37%

112. Swakop High

John has \$6000 to invest. He invests part of it at 5% and the rest at 8%.How much should be invested at each rate to yield 6% on the total amount?

113. Pre-Calculus

I posted this question about an hour ago, got a response but still confused. Use the Law of Sines to solve for all possible triangles that satisfy the given conditions. (If an answer does not exist, enter DNE. Round your answers to one decimal place.

114. Math 2

The bottom of the ladder rests on a horizontal flat surface and the top of the ladder rests against a wall. The ladder makes an angle of elevation of 61°. The bottom of the ladder is 6 ft from the base of the wall. How long is the ladder? Round your

115. math

The acceleration, ams^-2, of a particle is given by a =25 – 9t^2, where t is in seconds after the particle passes fixed point O. If the particle passes O, with velocity of 4 ms^-1, find (a) An expression for velocity V, in terms of t (b) The velocity of

116. Chemistry

If 5.40 kcal of heat is added to 1.00 kg of ice at 0⁰C, how much liquid water at 0⁰C is produced? Show all calculations leading to an answer.

117. Separation processes

Can someone help me to clarify this question? I'm not sure whether the answer is a), d) or e). What is the definition of the bubble-point line? Select one: a. The line that shows when the liquid begins to boil/evaporate b. The vapour-liquid mixture region

118. Math

1. The sequence log2 32, log2 y, log2 128, ... forms an arithmetic sequence. What is the value of y? 2. If log a^2 b^3 = x and log (a/b) = y, what are the values of log a and log b?

119. science

calculate the net force on an object that has a mass of 12kg and acceleration of 4m/sec

120. Stats

A random sample obtained from a population has a mean of µ=100 and a standard deviation of ó = 20. The error between the sample mean and the population mean for a sample of n = 16 is 5 points and the error between a sample men and population mean for a

121. Math Functions (if i have correct answer)

The function h(t)= 2 + 50t -1.862t^2, where h(t) is the height in metres and t is the time in seconds, models the height of a golf ball above the planet Mercury's surface during its flight. What is the maximum height reached by the ball? My answer is

122. maths

a cubical water tank is filled by tap water at the rate of 1.4liters per second. find the length of the tank in centimeters if the tank if completely filled in 28 sec

123. Math

Thank you Ms. Sue to my question on the coin collection. I just haven't figure out when to divide and when to multiply with these word problems this past week. So my answer will be 2/3 times 13/25 = 26/75 Thank you and have a nice evening.

124. science

How many sex chromosomes are found in the reproductive cells of human being?

125. probability

Exercise: Sections of a class A class consists of three sections with 10 students each. The mean quiz scores in each section were 40, 50, 60, respectively. We pick a student, uniformly at random. Let X be the score of the selected student, and let Y be the

126. AP Chem

A mixture of 1.380 g of H2 and 66.80 g of Br2 is heated in a 2.00-L vessel at 700 K. These substances react as follows. H2(g) + Br2(g) equilibrium reaction arrow 2 HBr(g) At equilibrium the vessel is found to contain 0.605 g of H2. (a) Calculate the

127. English

I am doing a compare and compassion essay. One paragraph has be about Midwest Food and the next paragraph about the South Food.How to add simlar and differences to each of this paragraphs?

128. English

Should fragrances be allowed in schools? I need 3-4 reasons for no. the only one that i can think of would be that people are allergic to it. What are some other ones?

129. math

write a four equations in slope-intercept form of four different lines that are parallel and graph the line ?? HELP pleaseee!! thank you

130. Maths lit, geography, economics and cat

I need to know which career can i ff with this subjects? i passed my matric with bachelor last year i gained 33 points plz help me.

131. Eng 1511

I realized that she was not like the other girls

132. math

Calculate -3²

133. Algebra 2

Find a third-degree polynomial equation with rational coefficients that has roots -1 and i+1

134. Math - Geometry

I'm having problems with one of the questions on my homework. It has 4 parts. Thanks 9) y = -2(x + 5)^2 + 4 A) Find Vertex B) Find the Zeros C) Find the y-intercept(s) D) This function has a: a) Minimum b) Maximum

135. physics

If you do 500J of work to elevate a bucket of water, what is its gravitational potential energy relative to its starting position? 500*10=5,000 5,000/500=10

136. Math

1. Solve for y in the equation 15 * 3^(y+1) - 243 * 5^(y-2) = 0. 2. Solve: log y-1 = -log(y-9)

137. science

Calculate the average speed of a water molecule (with a mass of 3.0e-26 kg) on the surface of Venus (730 Kelvin).

138. Physics

A beam of light makes an angle of θi = 53.0˚ with the normal of a slab of transparent material of t=3.80 mm-thickness. The index of refraction of the glass is n2 = 1.39. Angle 3 is 53.1 b) How far vertically (d) is the point at which the beam leaves the

139. Calculus 1

Find the derivative of the function. F(t) = e^(4t sin 2t)

140. chemistry

If you dissolve 220.3 Pounds of ammonium nitrate in water to obtain a final solution volume of 500. gallons what is the [NH4+] (of course in mol/L)?

141. math

I have 120 square blocks I want to make a large square how many do I put in each row

142. math

If A,B and C are the points P and Q are p and q respectively is another point with position vector r = 3q – ½ p. Express in terms of p and q. i) PR ii) RQ hence shows that P, Q and R are collinear. iii) Determine the ratio PQ: QR.