Which verbal expression best represents the algebraic expression 5a - 7? A. Five less than the sum of a number and seven.

B. The sum of seven and the product of five and a number.

C. Seven less than the product of five and a number.

D. Five times seven subtracted from a number.

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 %