Which of the following sets of numbers between 12 and 20 contains only prime numbers

Write the expression as a constant , a single trigonometric function, or a power of a trigonometric function. sin x cos x/ tan x

If a flying disk is 139 meters in the air and travels at an average of 13 m/s how long is it in the air

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