Which expression is correctly uses the commutative properly to rewrite the expression above

Use the inverse of the function y=x^2-18x to find the unknown value [tex]y = \sqrt{bx + c \: + d} [/tex]

Points a, b, and c form a triangle. complete the statements to prove that the sum of the interior angles of triangle abc is 180

Sketch the region enclosed by the given curves. decide whether to integrate with respect to x or y. draw a typical approximating rectangle and label its height and width. y= 5x, y=7x^2then find the area s of the region.