Two men walk at rates 6miles per hour and 10 miles per hour. they started from the same place walking in opposite directions. in how many hours will they be 200 miles apart?

Simplify (a/b - b/a) times (a - a^2/a+b) a - a^2/a=b is a mixed number

When solving this problem: 3025/5.5 = a/90.75 you get 49912.5 which would be the length of one of the sides of a square when the area is only 90.75 inches. is that answer correct, why, and how is it possible?

What is the slope of the line (-7,2) (4,6)