If the ratios of the volumes of two cones are 216:64, and the larger cone's height is 20in, what is the height of the smaller cone to the nearest inch?

Solve each quadratic equation by factoring and using the zero product property. 10x + 6 = -2x^2 -2

You went to a restaurant and spent $53.25 on the meal. there was a 6% sales tax. what was the amount of money, not including a tip, you spent at the restaurant?

Which ordered pair is the best estimate for the solution of the system of equations? the graph of the system of equations : y = 3/2x +6 and y=1/4x - 2 , -3) .5, -3.5) , -4) , -3.5)