The amazon river is 4,000 miles long, the yangtze river is 3,964 miles long, and the nile river is 4,145 miles long. write the steps you would use to order the lengths of the rivers, in miles, from greatest to least.

Fanny mendelssohn manages all the magazines and paperback books at a local grocery store. she prices many paperbacks to sell at $7.99. the cost to the store is $5.29. what is the markup rate on a paperback book, based on its cost?

If f(x) = 3x2 - 2x+4 and g(x) = 5x + 6x - 8, find (f-g)(x).

Find the value of x to the nearest tenth.