Evaluate the expression if x = 2 and y = -1. (xy) ^ -3

Radii ok and nl are perpendicular to om because of the radius-tangent theorem. by definition of perpendicular, angles kom and lnm are right angles. this means that triangles kom and lnm are right triangles. angle lmn is common to both right triangles, so by the triangles kom and lnm are similar.

43lbs of tomatos cost $387. how much would 41lbs cost

Solve each quadratic equation by factoring and using the zero product property. x^2 - 8x + 30 = 3x