At 1 pm the shadow of a tree is 14 feet long. at the same time the shadow of a 18 foot telephone pole is 21 feet long. what is the height of the tree?

What is the perimeter of an equilateral triangle if each side is (x+3)?

Acheetah can run 70 per hour. what is the speed in feet per hour

Larissa dives into a pool that is 8 feet deep. she touches the bottom of the pool with her hands 6 feet horizontally from the point at which she entered the water. what is the approximate angle of elevation from the point on the bottom of the pool where she touched to her entry point? 36.9° 41.4° 48.6° 53.1°