at the point on the ground 30 feet from the base of the tree , the angle of elevation to the top of the tree is 65 . Find the height of the tree .

The number of calories you burn depends on your weight. a 110-pound person burns 163 calories during 30 minutes of tennis. find the number of calories that a 190-pound person would burn during the same activity, assuming they burn calories at the same rate.

Why is x= 4 a solution to the proportion 14/x 56/1 6

How do newtons third law of motion demonstrates on a rollar coster