If the odds against a student receiving an A grade in a mathematics class are 7 to 3, what is the probability that a student in a mathematics class will receive an A grade.

Find the area of a parallelogram with the given vertices. p(-2, -5), q(9, -5), r(1, 5), s(12, 5)

Suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet.

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