Factor completely 4x2 − 8x − 60 show steps

The parabola opens: y=√x-4 (principal square root) up down right left

Find the value of ax 4 ; a = 2, x = 1. select one: a. 2 b. 4 c. 1 d. 8

Aball is dropped from a height of 10m above the ground. it bounce to 90% of its previous height on each bounce. what is the approximate height that the ball bounce to the fourth bounce?