9. The path of a diver diving off a 10- foot platform can be represented by
the function h(x) = -0.5(x2 - 4x - 21).
where h is the diver's height above
water and x is the horizontal distance
from the platform (in feet).
Find the zeros of the function.

Brent needs to paint a logo made using two right triangles. the dimensions of the logo are shown below. what is the difference between the area of the large triangle and the area of the small triangle? (1 point) select one: a. 4.5 cm2 b. 8.5 cm2 c. 16.5 cm2 d. 33.0 cm2

Which equation represents a line that is parallel to the line whose equation is 3x-2y=7( show all work)

Suppose i pick a jelly bean at random from a box containing one red and eleven blue ones. i record the color and put the jelly bean back in the box. if i do this three times, what is the probability of getting a blue jelly bean each time? (round your answer to three decimal places.)