The radius of a basketball is about 3.6 times greater than the radius of a tennis ball. how many times greater is the volume of a basketball than the volume of a tennis ball. (note: the volume of a sphere is v= 4/3 pi r cubed

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?