Which of the following rvalues represents the strongest correlation?

Which fraction below is equivalent to 10/12?

What is the perimeter of an equilateral triangle if each side is (x+3)?

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