Im so confused please help with 5 and 6

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

Acute identify < 1 and < 2 select all that apply of the following acute, right,obtuse, adjacent,vertical,complementary, supplementary

What is the correct answer? urgent you