Variable y varies directly with x2, and y = 196 when x = 7.
enter the constant of variation in the quadratic variation equation.
! i really need

This is about circle theorems. someone asap : (

Solve each quadratic equation by factoring and using the zero product property. n^2 - 49 = 0

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.