The surface area of the side of the cylinder is given by the function f(r) = 6r, where r is the radius. If g(r) = r2 gives the area of the circular top, write a function for the surface area of the cylinder in terms of f and g. The height is 3

Someone answer asap for ! the following statements are true about the coins calvin and sasha have collected. * calvin and sasha has the same amount of money. * calvin has only quarters. * sasha has dimes, nickels, and pennies * calvin has the same number of quarters as sasha has dimes. * sasha has $1.95 in coins that are not dimes. exactly how many quarters does calvin have?