which equation reveals the minimum or maximum value of f(x) without changing the form of the equation?

Find the area of the triangle formed by the origin and the points of intersection of parabolas y=−3x^2+20 and y=x^2−16.

Four quarts of a latex enamel paint will cover about 200 square feet of wall surface. how many quarts are needed to cover 98 square feet of kitchen wall and 52 square feet of bathroom wall

The measurement of one angle of a right triangle is 42° what is the measurement of the third angle? (there is no picture)