5) A lake measures 600 feet across. A 40-foot tall tree stands on one shore. From a point on the opposite shore, what is the angle of elevation to the top of the tree? Round your
answer to the nearest degree.

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

The linear combination method is applied to a system of equations as shown. 4(.25x + .5y = 3.75) → x + 2y = 15 (4x – 8y = 12) → x – 2y = 3 2x = 18 what is the solution of the system of equations? (1,2) (3,9) (5,5) (9,3)

Adele is five years older than timothy. in three years, timothy will be 2/3 of adele’s age. what is adele‘s current age?