**Niagara Falls has an average of 212,000 cubic feet of water passing over it each second. Is this rate more or less than 10 cubic miles per year? Explain your calculations. (Hint: 1 cubic mile= 5283 ^3 cubic feet.)** I PUT LESS THAN**

**At noon car A is traveling north at 30 miles per hour and is located 20 miles north of car B. Car B is traveling west at 50 miles per hour. Approximate the distance between the cars at 12:45 P.M. to the nearest miles**

**Let f(x)= 0.5 x^2 + 50 compute the outside temperature in degrees Farenheit at X p.m. where 1 < or equal to X < or equal to 5. a) Calculate the average rate of change of F from 1 P.M. to 4 P.M. b) Interpret this average rate of change. **Please help me. I have a test tomorrow** If you want to explain to me in very specific detail, you can INSTANT MESSAGE me. I am online. Click on my icon and then click "IM this contact." Thanks in advance.