You drive your car for 4.5 hours at an average speed of 70 mile per hour. how far did you go

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

An airport in death valley is 60 feet below sea level, and an airplane is flying 2,000 feet above sea level. how many feet must the plane descend in order to land? a. 2060 b. 2000 feet c. 1940 feet d. 1880 feet e.1400 feet will mark as brainliest

Multiply. write your answer in simplest form. 3/8 x 5/7