Ben is working on a roof and tosses his paintbrush to the ground. The height of the paintbrush, p(x), can be represented by the equation shown below, where x is time in seconds. p(x) = -16x^+20x+15. Write and solve an equation to determine the amount of time passed if the paintbrush is at a height of 9 feet. A. 0.25 seconds B. 1.5 seconds C. 2.2 seconds D. 4 seconds.?

Michele wanted to measure the height of her school’s flagpole. she placed a mirror on the ground 48 feet from a flagpole, then walked backwards until she was able to see the top of the pole in the mirror. her eyes were 5 feet above the ground and she was 12 feet from the mirror. using similar triangles, find the height of the flagpole to the nearest hundredth of a foot.