Given cos0=3/4 and angle 0 is in Quadrant I, what is the exact value of sin 0 in simplest form? Simplify all radicals if needed.

In the figure shown below, m < 40 and ab =8. which equation could be used to find x?

Astick 2 m long is placed vertically at point b. the top of the stick is in line with the top of a tree as seen from point a, which is 3 m from the stick and 30 m from the tree. how tall is the tree?

Twelve less than a number is at most 20