if the girls are "g" and the boys are "b"
g + b = 13
b = g + 7 <--- 7 more boys than girls

Answer is c as the equation for the volume of a cylinder is pi x r^2 x h which equated to pi x 25 x 11 which equals 275 and your units have to be cubed as it is volume.
His First Play Was 750 Points
(1st Play) 750 (second play) -250
750 - 250 = 500
Yes lil mosey is in fact white.