Anna makes some art in the shape of a rectangle. the area of the rectangle is 13 square
inches. its width is 2 inches. what is the length of the rectangle? show or explain your
reasoning. include the correct unit in your answer.

Abcd is a square. what is the measure of angle bac

The edge of a cube was found to be 30 cm with a possible error in measurement of 0.4 cm. use differentials to estimate the maximum possible error, relative error, and percentage error in computing the volume of the cube and the surface area of the cube. (round your answers to four decimal places.) (a) the volume of the cube maximum possible error cm3 relative error percentage error % (b) the surface area of the cube maximum possible error cm2 relative error percentage error %

The mass of a marine organism, in pounds, p years after it is born is given by the polynomial function r(p) = -4p2 + 300p. find the mass when p = 20 years.