18. A 22 ft ladder is leaning up against a building at a 60° angle. How high up the building can this ladder reach, assuming the 60° angle is constant?
A) 22 ft.
B) 1173 ft.
C) 22v3 ft.
D) 11 ft.

Abouncy ball is released from a certain height. on the first bounce, it travels 32cm. with each subsequent bounce, it travels 9/10 the distance of the previous bounce. what is the total distance that the ball has traveled when it completes its 25th bounce?