The volume of a cube with sides of length s is given by V = s3. Find the rate of change of the volume with respect to s when s = 13 centimeters. V '(13) =  cm2

The system of equations graphed below has how many solutions?

Suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet.

Simplify. 4+3/7x-2-2/7x a. 2-5/7x b. 6-1/7x c. 2+1/7x d. 6+5/7x