Which equation represents the cubic function with zeros -3,2,6 and a y-intercepts of -18?

Alicia puts $400 in a bank account. each year the account earns 5% simple interest. how much money will be in her bank account in six months?

Two angles are complementary. the large angle is 36 more than the smaller angle. what is the measure of the large angle?

The height of a plant, in inches, p years after planting it is given by the polynomial function r(p) = -2p% + 270p. find the height of the plant when p = 90 years.