1. calculus

If a snowball melts so that its surface area decreases at a rate of 3 cm2/min, find the rate at which the diameter decreases when the diameter is 9 cm. (Give your answer correct to 4 decimal places.)

2. Cal

If the equation of motion of a particle is given by s = A cos(ωt + δ), the particle is said to undergo simple harmonic motion. s'(t) = -Aω sin(ωt + δ) When is the velocity 0? (Use n as the arbitrary integer.) t= _____________ I thought it was 0, but

pls. help: prove the identity sin2x+sin2y=2sin(x+y)cos(x-y)

4. Math/ Number sense

Use the numbers shown. Make the sum of the numbers across equal the sum of the number down. 7 5 1 9 3

5. Chemistry

Kc for the reaction of hydrogen and iodine to produce hydrogen iodide, H2(g)+I2(g)f 2HI(g) is 54.3 at 430C. What will the concentrations be at equilibrium if we start with 0.240M concentrations of both H2 and I2?

6. V/CV OR VC/V PATTERN

SORT EACH SPELLING WORD BY V/VC OR VC/V PATTERN: TYRANT,EQUAL,HUMOR,RECENT,PROFILE,LINEN,CLOSET,STUDENT

7. Economics

The price received by sellers in a market will decrease if the government Answer A. imposes a binding price floor in that market. B. decreases a binding price ceiling in that market. C. decreases a tax on the good sold in that market. D. increases a

8. physics

A 2.0 g bullet leaves the barrel of a gun at a speed of 260 m/s. (a) Find its kinetic energy. J (b) Find the average force exerted by the expanding gases on the bullet as the bullet moves the length of the 43 cm long barrel. N

9. chemistry

What is the molecular geometry for SH2? 1. Bent 2. Trigonal planar 3. Tetrahedral 4. Liner

10. Economics

Harold owns a cranberry bog in which he grows cranberries. Haroldâ€™s farm is a competitive, profit-maximizing firm. As such, Harold much decide (i): how many cranberries to sell. (ii): what price to charge for his cranberries. (iii): what wages to

11. Economics

Sandra purchases 5 pounds of coffee and 10 gallons of milk per month when the price of coffee is $10 per pound. She purchases 6 pounds of coffee and 12 gallons of milk per month when the price of coffee is$8 per pound. Sandraâ€™s cross-price

12. calculus

A box of volume 72m^3 with square bottom and no top constructed out of two different materials. The cost of the bottom is $40/m^2 and the cost of the sides is$30/m^2. Find the dimensions of the box that minimize the total cost. How do I set up the

13. Organic Chemistry

Some 2-methyl-2-butene may be produced in the reaction as a by-product. Give a mechanism for its production.

14. Calculus

Find the area under the curve y=5(cosx) and above y=5(sinx) for 0

15. math

what is the opposite of g is at least -5

16. chemistry

In a hydrocarbon-based combustion reaction, what two molecules are most likely to be products? A. carbon dioxide and water B. sulfur dioxide and zinc oxide C. sulfur dioxide and cyclopentane D. carbon monoxide and hydroxide

17. Chemistry

Ethylene glycol has a specific heat of 0.578 cal/(g×°C). If 23.2 g of ethylene glycol absorbs 75.6 cal of heat energy, what will the temperature increase be?

18. algebra

The distance the bicycle travels and the time taken are expressed by the formula d(t)=t^2-2t, there d(t) is in miles and t in hours. Find the time taken by the bicycle to cover a distance of 63 miles.

19. physics

In a European country a bathroom scale displays its reading in kilograms. When a man stands on this scale, it reads 90.4 kg. When he pulls down on a chin-up bar installed over the scale, the reading decreases to 79.5 kg. What is the magnitude of the force

20. english

1. What is Lynne Cox's perspective in this passage from Swimming to Antarctica? If you continue swimming, you're going to cool down even more. Remember how hard you shivered last time? Remember how much work it was? Remember how uncomfortable you were?

21. Chemistry help!!

Consider the titration of the weak acid HA with NaOH. At what fraction of Ve does pH = pKa - 1? At what fraction of Ve does pH = pKa + 1? Calculate the pH at these two points plus Vb = 0, 1/2Ve, Ve and 1.2Ve, if 100 mL of 0.100 M anilinium bromide (pKa =

write each rate as a unit rate. Q: 6 eggs for 3 people

23. math

suppose a population has a doubling time of 15 years. By what factor will it grow in 30 years?

24. physics

A water balloon was dropped from a high window and struck its target 1.1 seconds later. If the balloon left the person’s hand at –5 meters/sec, what was its velocity on impact?

25. Cedar High school

A compound is found to have 56.4% potassium, 8.7% carbon, and 34.9% oxygen. What is the empirical formula?

26. lititure

what are the cause and effect of these things in brave new world? In fiction, as in life, events have causes and, in turn, become causes of subsequent events. Here are some events from Brave New World. Write a sentence that describes a major cause of each

27. Chemistry

Suppose you are given the following experimentally observed facts regarding the reactions of silver ion. (a) Ag^+ reacts with Cl^- to give white AgCl (s) (b) Ag^+ reacts with ammonia to give a quite stable complex ion, Ag(NH3)2^+ (c) a black suspension of

28. Calc

Find the value of (f o g)' at the given value of x. f(u)= u/u^2-1 u=g(x)=3x^2+x+3 x=0 is it a. 5/32 b. 13/32 c. 1/8 d. 5/32

29. chemistry

What volume of H2 (g) (at 750. mm Hg and 25 C) is produced from 50.0 mL of 0.214 M H2SO4 and 0.300 g of Al?

30. Economics

Suppose that some firms in a competitive industry are earning zero economic profits, while others are experiencing losses. All else equal, in the long run, we would expect the number of firms in the industry to A. increase. B. decrease. C. remain the same.

31. apush

how did each of the following encourage social reform: second great awakening, industrialization, nostalgia for the past?

32. physics

A merry-go-round accelerating uniformly from rest achieves its operating speed of 3.4 rpm in 2 revolutions. What is the magnitude of the angular acceleration?

33. Math

Ragu ran the first 3 miles of a 5 mile race in 24 minutes. What percent of the race has he run? Please help me

34. history

what is the effects of the seven years war

35. chemisty

give the conjugate base for HNO2

36. Economics

Suppose the government has imposed a price floor on the market for soybeans. Which of the following events could transform the price floor from one that is not binding into one that is binding? A. Farmers use improved, draught-resistant seeds, which lowers

37. university of phoenix

4.Suppose you administered an anxiety test to a large sample of people and obtained normally distributed scores with a mean of 45 and standard deviation of 4. Do not use web-calculator to answer the following questions. Instead, you need to use the Z

38. Physics

In a fireworks display a 3 kg body moving at 4 km/h due north explodes into three equal pieces: A, at 4 km/h east; B, at 5 km/h 37 degrees south of west; and C, at 15 km/h due north. After the explosion, what is the total momentum of all the pieces?

39. Economics

Variable cost divided by the change in quantity produced is A. average variable cost. B. marginal cost. C. average total cost. D. None of the above is correct.

40. Math(module 4 Calculus)

(minimum commuting time) A lighthouse lies 2 miles offshore directly across from point A of a straight coastline. The lighthouse keeper lives 5 miles down the coast from point A.What is the minimum time it will take the lighthouse keeper to commute to

41. english

plese any help will be appreciated 1. What is Lynne Cox's perspective in this passage from Swimming to Antarctica? If you continue swimming, you're going to cool down even more. Remember how hard you shivered last time? Remember how much work it was?

42. Physics

An early method of measuring the speed of light makes use of a rotating slotted wheel. A beam of light passes through one of the slots at the outside edge of the wheel, travels to a distant mirror, and returns to the wheel just in time to pass through the

43. algebra

slope=2/5,{10, 3} is on the line find the y-intercept: y= mx + b ___ = {---} ____ +b

44. chemistry

Choose the term that best describes the following chemical reaction: C10H8 + 12 O2 10 CO2 + 4 H2O A. synthesis B. combustion C. electrolytic D. decomposition

45. physics

A 2.9 × 103 kg car accelerates from rest at the top of a driveway that is sloped at an angle of 16.0 with the horizontal. An average frictional force of 4.2×103 N impedes the car’s motion so that the car’s speed at the bottom of the driveway is 4.6

You are looking into the headlights of a distant vehicle on an autoroute in France. The driver has shown his resistance to the Europeanization of Europe by resolutely continuing to use yellow headlights (wavelength 550. nm). a) What is the theoretical

47. thermodynamics

A scuba tank contains 1.5 kg. of air. The air in the tank is initially at 15 degree celcius. The tank is left near an engine exhaust line, and the tank's pressure doubles. Determine the final temperature, change of internal energy, change of enthalpy, and

48. English

1. You can link the website address on your website. 2. I will paste the link on the messanger, and will send you the address. (Are the sentences above grammatical? Would you check them? Thank you.)

49. physics

Suppose a rocket launches with an acceleration of 39 m/s2. What is the apparent weight of an 90 kg astronaut aboard this rocket?

50. trig

Solve the equation for exact solutions over the interval [0, 2pi]. 4 cotx+2=-2

51. Economics

A long-run supply curve is flatter than a short-run supply curve because A. firms can enter and exit a market more easily in the long run than in the short run. B. long-run supply curves are sometimes downward sloping. C. competitive firms have more

52. world history

Need Thesis help for essay on....this is the question being answered: Prompt: Hinduism, Confucianism and Buddhism are three of the world’s great belief systems. Compare and contrast their impact on the societies that embraced them. I started this thesis,

53. physics

Estimate the pressure exerted on the floor by a 75 kg store clerk standing momentarily on a single heel of their shoe, where the heel area = 6 cm square?

54. Calc 3

Find the volume of the wedge-shaped region contained in the cylinder x^2 + y^2 = 1 and bounded above by the plane z = x and below by the xy-plane. The picture is a cylinder with a diagonal plane through it creating a wedge. Thanks! ;)

55. physics

Approximately how far will the people have to travel to move the truck 1.5m if |Truck force is 4500N and people are 1200N?

A total of 23 High School students were admitted to State University. Of those students, 7 were offered athletic scholarships. The school’s guidance counselor looked at their composite ACT scores (given in the table below), wondering if State U might

How can you use mental math to multiply 800 x 5?

58. 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

59. Chemistry

Consider the reversible reaction: A(g)-2B(g)At equilibrium, the concentration of A is 0.381 M and that of B is 0.154 M. What is the value of the equilibrium constant, Keq?

60. physics

Before beginning a long trip on a hot day, a driver inflates an automobile tire to a gauge pressure of 2.20 atm at 300 K. At the end of the trip, the gauge pressure has increased to 2.70 atm.

118. Math

The equation y=2x+7 represents a linear relationship that is non-proportional. What changes could I make to the equation to make it proportional? Thanks

119. maths

Solve the following differential equation: (1 + x)*(dy/dx) = y where y is a funtion of X solve by the following: A)series expansion B) elemantary method please show working

For dollars spent on advertising - What dollars of sales produced?

121. chemistry

Explain the difference between the enthalpies of formation of gaseous water and liquid water which are respectively, -242 and -286 kj/mol at 298 K.... Explain Please!

122. Calculus

FInd the area of the region between y=x^(1/2) and y=x^(1/5) for 0

123. macroeconomics

For each of the following situations, indicate the direction of the shift in the supply curve or the demand curve for dollars, the factor causing the change, and the resulting movement of the equilibrium exchange rate for the dollar in terms of foreign

124. Math(module 4 Calculus)

(Graphing Calculator)Sketch the graph of the function f(x)= 2x^3-7x^2-27x-18/x^2+5

125. Math

Divide and simplify 2w-16/35 divide by w-8/77w

126. Physics

Two bullets have masses of 2.4 g and 5.2 g, respectively. Each is ﬁred with a speed of 37.0 m/s. a) What is the kinetic energy of the ﬁrst bullet? b) What is the kinetic energy of the second bullet? I initially used KE=1/2MV^2 and got 1642.8 J, but got

127. Chemistry

Plz help me balance this chemical eqn H2C2O4.2H2O+KMnO4 ---->

128. Future

What do I have to do to make it to Yale like you see I have a best friends she all perfect and all. She have awards over 70 (no joke), have a scholorship (for chruch), and she is a good writer and a artist, plus she gets VERY good grades. She wants to go

129. geometry

If AC is 50 feet, and AB is 40 feet, which is the length of BC?

130. physics

Running at 2.0 m/s a 45.0 kg person collides with a 90.0 kg person who is traveling at 7.0 m/s in the other direction. Upon collision, the 90 kg person continues to travel forward at 1.0 m/s. How fast is the 45 kg person knocked backwards?

131. Physics

If we examine a ball in free fall, we find that the momentum of the ball is not constant. This is not a violation of the law of conservation of momentum because A) the force of gravity acts on the ball. B) the ball experiences an external force. C) the

132. milford

Suppose that a man throws a ball from the front of a train that is moving at 100 km/hr. If he throws the ball forward at 10 km/hr, what is the speed apparent to the man?

133. 4th gr math

Algebra question....Find the missing number. Tell which property can help you. _______ x 9=0. The answer is 0, I'm having trouble with the second question.

134. statistics

Find a z value to the right of the mean so that 74.5% of the distribution lies to the left of it.

135. English

Please check my last post as well. I typed a reply. Moreover if I were to come up with an Original and creative essay title. What should it be. For the topic Banning Cellphones while driving. 1. Who is to blame? 2. Blame the cellphone 3. I just wanted to

136. social studies, Anthro psych , and soc

In the movie Shawshank redemption, how did the prison in the film try to rehabilitate its inmates, was it successful? Provide 3 examples of ways in which the prison guards enforced compliance to prison rules, were the enforcements necessary or effective?

137. math

the longest side of a triangle measures 2 and the shortest side measures 1. what cannot be the measurement of the angle between them? a-30 degrees b-60degrees c-70 degrees d-90degrees

138. English

Which of the following publications are both listed under the "Magazines" results? A. Astronomy and Science B. Odyssey and Natural History C. Science News and Earth Island D. The Economist and American Scientist

188. governemtn

Explain why the Baker v. Carr case and the Westbury v. Sanders cases had such a tremendous effect on the development of the concept of “one man, one vote.”

189. factors math

The gcf(a,b) = 495 and lcm( a,b) =31,185 Find possible values of a and b if a is divisible by 35 and b is divisible by 81.

190. English

Search engines are most useful for finding: A. course information. B. books in a library. C. Web sites. D. scholarly journal articles.

191. English 7

I need your help you see like... ok here is my topiv sentence for my second paragraph: Rosa Parks wanted people (blacks) to be free and have a better education. and I wrote (for notes to put into sentences) - Blacks were slaves - Most blacks couldn't go

192. math

roger took off at 8am driving 45mph. bill went after him 2 hours later and caught up with him at 4pm. how fast did bill drive?

193. English

Scholarly journal articles are written: A. By experts in a subject field B. By reporters C. By lower division college students D. For a general audience

194. statistics

An engineering company believes it has developed a faster way to complete the assembly of an industrial machine. The present process takes an average of 6.5 hours to complete and the times it takes to complete the process are approximately normally

195. Econ

If an oil pipeline shuts down in Alaska, how does that affect the market for gasoline? demand increase, decrease or supply increase, decrease

196. English

1)Which of the following sets of Dewey Decimal call numbers is in the correct order? A. 100.1 BLU, 010.1 ABR, 004.15 KWA, 100.01 PRO B. 004.15 KWA, 010.1 ABR, 100.01 PRO, 100.1 BLU C. 010.1 ABR, 004.15 KWA, 100.01 PRO, 100.1 BLU D. 100.01 PRO, 100.1 BLU,

197. chemistry

What is the mass percent of a solution if 42.9 grams of aspirin is dissolved into 175 mL of ethanol? (Density of ethanol is 0.789 g/mL

198. chemistry

how many milliliters (ml) of H2 gas will be produced at 1.0 atm and 25 Celsius all the MG reacts?

199. statistics

4. Assume you are just planning this survey and want to know how many individuals you have to randomly select to be part of the sample. Assume that the purpose of the study is to calculate a 95% confidence interval for proportion of the adult population

200. Math

A farmer has 20 sheep and pigs. He has 6 fewer sheep than pigs. How many pigs does he have?

201. math

this is a math riddle that i can't do so please help i am a fraction eguivalent to 2/4 the sum of my numerator and my denominator is 21 what fraction am i here it is help me please's

202. calculus

Evaluate the integral: ç[(6x+7)/(x^(2)-8x+25),x]

203. Calculus

I will be using != for not equal The cancellation law for real numbers is quite obvious: if a,b, and c != 0 are real numbers for which ac = bc then a = b. It is natural to ask if the cancellation law holds for three dimensional vectors. If U x W = V x W, U

204. English

What are ten things harry potter would bring if he had to go on a trip and can only bring 10 items?

205. chemistry

What are the oxidizing agents for Formic acid and Ferrous ammonium sulphate?

Mr. Buss is a business executive. He has been dedicated to the company for ten years and worked his way up the corporate ladder to the position of third vice president. He is the first to arrive and the last to leave each day. He has no patience with those

207. math

Jim and Joe were running together. Jim's average speed was 400 meters per minute.Jim started running four minutes before Joe. ten minutes after Joe started, he caught up with Jim. What was Joe's average speed?

208. English

I just have a doubt on a few sentences. Thank you. 1) A pair of robins has (not have) been building a nest in the porch since last week. 2) If you want to visit the USA, you must (not have to) get a passport. 3) When Dorian sees the corrupted image on (in)

209. English

What good book report needs to contain?

210. music

how old was johann pachelbel when he made his first song

211. Math

What percent of 126 is 42

212. chemistry

What is produced during all combustion reactions? A. ions B. solids C. energy D. nuclear material

213. chemistry

What volume of a 7.00 M solution of Ca(OH)2 is needed to neutralize 37.2 mL of a 3 M solution of nitric acid? 1. 15.9 mL 2. 37.2 mL 3. 7.97 mL 4. 24.2 mL

214. university of phoenix

T test for independent groups and dependent groups (Two-group designs) 1. An LU professor is interested in whether there is a difference between undergraduate students and graduate students in the amount of time spent praying each day. The professor

215. grammar

Is asked theonly verb in this sentence? He finally asked for help with the difficult problem.

216. math

Simplify by taking roots of the numerator and the denominator assume that all expressions under radicals represent positive numbers 3square 27x^8/y^3

217. physics

it takes a maximum force of 460 N to move a 125 kg crate. What is the coefficient of the maximum static friction between the crate and the floor?

218. Physics

Charlie takes his 6000 kg avalanche truck and runs it into Jill's 2003 Chevy Trailblazer. If Jill's truck is red, how does the force acting on Charlie's truck compare to the force acting on Jill's truck?

219. calculus 1a

simplify the following expression tan(sin^-1(2x))

220. Physics

Write a Balmer formula and explin each terms

221. Math

To determine the question use Frogs F and G are 5cm to cube and 40cm to cube. a. Ratio What are ratio volumes and surface areas for a frog? (The formula for figuring out this data A correlation V square=2/3 Ratio Volumes: Surface areas: b. Toxin Let us say

You wish to have a plane pocket mirror that is as discreet as possible but with which you can see the whole width of your face. If your face is 22.0 cm wide, what is the minimum width, in cm, of the mirror for you to be able to see the whole width of your

223. math

how to write the rate as a unit rate?

224. Algebra

Solve for x. 4x(x-1)-5x(x)=3

225. Cert III lab skills

Explain how to calculate preparing 250.0ml of 1.25 mol/L solution of Na2CO3(aq)

226. Math

I need help with a math question problem

227. stats

I scored an 85 percent on my exam. The mean score for that quiz was -83.73 and standard deviation was -24.23 what is the z score for this exam?

228. Math

What is the difference between a likely event and an unlikely event?

229. History

Why were there major health problems in the British Caribbean between 1838-1876?

230. Social Studies

What are some response to the creation of concentration camps in nazi germany during ww2

231. Calc

Find the equation of the normal line to the curve y=2x-3x^2 at the point (-3,-33) is it a. x-16y+339=0 b. x+20y+339=0 c. x+20y+663=0 d. x-16y+663=0

writing a sequence for the rule a-4=b

233. calculus

Find the derivative. f(x)=ln(8-e^-x) I got -e^-x/8-e^-x but it was wrong. WHAT DID I DOOOO?!

234. clinical studies

ok so to summarise the task i have to consider scenario where the patient comes to you, you gave her all the medications that normally would work 100% on all patients, yet here it has no effect. Its obvious the patient didn't stick to the treatment you

235. chemistry

I wonder if your science experts can help me find material (general information, word lists, books) in English about biodiversity in water and waterways and microbiological analysis of water. This would be for Italian biologists who are familiar with the

236. Math

Use rational exponents to write x1/6*y1/5*z1/4 as a single radical expression

237. government

I have to make a chart that shows five interests that are affected by public policy decisions. I am not 100% sure on this but could No Child Left Behind, and Environmental safety (like the oil spill that just happened in the gulf)?

238. chemistry

What is the mass percent of a solution if 42.9 grams of aspirin is dissolved into 175 mL of ethanol? (Density of ethanol is 0.789 g/mL) 1. 31.1 % 2. 24.5 % 3. 23.7 % 4. 19.7 %

239. SCIENCE

PLEASE CAN ANYBODY TELL ME WETHER ROOTS ARE DECOMPOSERS OR NOT ?

240. physics

it takes a maximum force of 460 N to move a 125 kg crate. What is the coefficient of the maximum static friction between the crate and the floor?

241. math

You teach 40 students. Blue is a favorite color of 22 studetns; 19 own cars; 13 like flowers; blue is the favorite color of 10 students who own cars; blue is the favorite color of 7 students who like flowers' 8 own cars and flowers; and blue is the

242. Physics

Charlie takes his 6000 kg avalanche truck and runs it into Jill's 2003 Chevy Trailblazer. If Jill's truck is red, how does the force acting on Charlie's truck compare to the force acting on Jill's truck?

243. Physics

Charlie takes his 6000 kg avalanche truck and runs it into Jill's 2003 Chevy Trailblazer. If Jill's truck is red, how does the force acting on Charlie's truck compare to the force acting on Jill's truck?

244. Physics

Charlie takes his 6000 kg avalanche truck and runs it into Jill's 2003 Chevy Trailblazer. If Jill's truck is red, how does the force acting on Charlie's truck compare to the force acting on Jill's truck?

245. physics

it takes a maximum force of 460 N to move a 125 kg crate. What is the coefficient of the maximum static friction between the crate and the floor?

246. chemistry

What mass of calcium carbonate is precipitated out when 2.20 g of ammonium carbonate is added to 25.7 mL of a 4.00 M solution of calcium nitrate?

247. government

_____ divides the government into three branches, each controlled by a different group of people

248. Physics

Write a Balmer formula and explin each terms

249. math

comparison of average in rainfall in august 0.19mm and december 0.89mm????

250. math

Jane is taking a class and asks you to help her figure out what her last grade must be in the class to get a 85 in the class. She tells you the following calculation is used to find your final grade: w2d2 x is her last score which has not been taken.

252. math

multiply and simplify 36b^2/5b^2-20b+20*5b-10/6b.

253. precalc/trig

Find the trigonometric form of the number. (Round any angles to two decimal places.) −8 − i

254. physics

a force of 50 n to the left causes a 1.35 kg book to have a net acceleration of 0.76 m/s^2 to the left. what is the frictonal force on the book?

255. math

a rectangular board measures 2ft 2in by 7in 3ft what is the perimeter around the board?

256. Algebra

3y-24/14 divided by y-8/4y

257. math

Jane is taking a class and asks you to help her figure out what her last grade must be in the class to get a 85 in the class. She tells you the following calculation is used to find your final grade: 75+85+90+X ----------- > or = to 85 4 x is her last

258. math

What is the answer for 7cm plus 8 and 7 over 10cm plus 10cm?

259. Physics

What is the energy (in eV ) of a photon of visible light that has a wavelength of 500 nm ?

260. college alg

sqrt 18x to the 5th

261. Living environment

An athelete explains that his muscles have become well-developed through daily activities of weightlifting. He believes that his offspring will inherit this trait of well developed muscles. Which theory of Lamarck's does this example best demonstrate?

262. Literacy

1) A strong search strategy for a search engine would include which of the following? A. Using quotation marks, hyphens, and unique words B. Entering one or two related words C. Using several synonymous terms in the search D. Reading all the hits from your

263. physics

it takes a maximum force of 460 N to move a 125 kg crate. What is the coefficient of the maximum static friction between the crate and the floor?

What does spectacular mean? A. new B. interesting C. proud D. wonderful I think It's B or D.. is one of them right?

265. math

The gcf(a,b)=495 and cm(a,b)=31,185 Find possible values of a and b if a is divisible by 35 and b is divisible by 81

266. math

inflation 120 dollars now buys me 100 dollars worth of goods

267. statistic

Could you show me how to find the five levels in a Hof o and reject the null problems?

268. Math Problem

You are planning to spend no less than $6,000 and no more than$10,000 on your landscaping project. Write an inequality that demonstrates how much money you will are willing to spend on the project.

269. Math

solve for x 4x(x-8)-5x(x-7)=-4

which of the following statement explains why threats are not effective for motivating people? A. THREAT REDUCE TENSION B. THREAT ENSURE That APPROPRIATE ACTION ARE NOT ABANDONED C. THREAT PRODUCT PERMANENT CHANGE D. THREAT PROVOKE COUNTERAGGRESSION

271. math

divide (28b^3+13b^2+30b+35)/(4b+3)

272. Econ

If the government subsidizes the construction of ethanol refineries, how does that affect the corn market? demand increse or decrease OR supply increase or decrease

273. Math(module 4 Calculus)

(graphing calclator)give a four decimal approximation for the number 10^4C(25,5)/7!P(30,4)

274. English

Could you please check these sentences, too? THank you. 1) I've just received an email from our national agency informing me that the deadline to apply to them for a preliminary visit to define the topic of our project was 18 November. What do you think we

275. Science

A 10 N force pushes a rock due east while a 10 N force pushes the rock due north at the same time. What will the rock experience in terms of movement? (be specific)

276. math

how would i find the area of the parallelogram if the area of each right triangle region is 7 1/2 square inches

277. arithmetic

the second term of an arithmetic sequence is 15,mand the sixth term is 43. what is the 289th term?

278. math

show that the sum of four consecutive whole number is divisible by 2

279. geometry

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280. algerbra 1

y=-2x+2 m=____ Find the slope

281. math

3/5 + 6 2/3 =