If c = 13 and a=73 degrees , find a. round to the nearest tenth.

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ab=4 and bc=3, find ah, ch and bh.

What is the solution to the system of equation graphed belowa.(0,-4)b.(2,5),1),-3)

Ahovercraft takes off from a platform. its height (in meters), xx seconds after takeoff, is modeled by: h(x)=-2x^2+20x+48h(x)=−2x 2 +20x+48 what is the maximum height that the hovercraft will reach?