When a 6-foot-tall fence pole casts a 10-foot shadow, a pine tree casts a 45-foot shadow. How tall is the tree?

(! ) three cylinders have a height of 8 cm. cylinder 1 has a radius of 1 cm. cylinder 2 has a radius of 2 cm. cylinder 3 has a radius of 3 cm. find the volume of each cylinder

Find the roots of the equation below. x^2 - 6 + 9 = 0

Which of the following quartic functions has x = –1 and x = –2 as its only two real zeroes?