The height h(in feet) of a ball t seconds after it is hit can be modeled by the function h(t)=-16t^2+32t+7

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).

Kyle and elijah are planning a road trip to california. their car travels 3/4 of a mile per min. if they did not stop driving, how many miles could kyle and elijah drove in a whole day? ? 1 day = 24 hours. plzzz write a proportion i will give you 100 points

Reinel saves 30% of every pay check. his paycheck last week was 560$. how much did reniel save last week?