Select the two values of x that are roots of this equation.
2x-5=-3x^2
a. x= 3
b. x=1
c. x=-5/3
d. x=-1/2

The radius of the earth is two times the radius of the moon. what fraction of the volume of the earth is the volume of the moon?

Adecorative window is made up of a rectangle with semicircles at either end. the ratio of ad to ab is 3: 2 and ab is 30 inches. what is the ratio of the area of the rectangle to the combined area of the semicircles? possible answers: a. 2: 3 b. 3: 2 c. 6: π d. 9: π e. 30: π

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