The surface area of a tumour in the shape of sphere after chemotherapy treatment (decreasing at the rate of 0.5 cm? per month. Find the rate of the tumour decrease in
size when its radius is 0.9cm.

Factor the monomial completely 42a3b3

Which rectangle if translated 6 units right and 16 units down and the rotated 90° clockwise about the point (4, -11) will result in rectangle e?

Someone answer this asap for the length, in feet, of a rectangular rug is represented by the expression 5x² + 2x. the width, in feet, is represented by the expression 3x². which expression represents the perimeter, in feet, of the rug? a. 8x² + 2x b. 8x² + 4x c. 16x² + 2x d. 16x² + 4x