Isabel drove 638 miles in 11 hours. At the same rate, how long would it take her to drive 754 miles?

Interpret the following expression (5y^2-7)^3/(2y)^2

In one month jillian made 36 local phone calls and 20 long-distance calls what was her ratio of local calls to long-distance calls for that month?

David and alton are training for a race. they spend 35 minutes stretching and then go on a 5 mile practice run. david runs at a pace of 7 min/mile. alton runs at a pace of 8 min/mile. write an equation for each runner that shows the total length of their workout. then solve each equation showing your work