Which is an equation?
a. 17 + x
b. 45 / x
c. 20x = 200
d. 90 - x

Place the following steps in order to complete the square and solve the quadratic equation,

What is the approximate value of  q  in the equation below? –1.613–1.5220.5853.079

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.