Coach Tim needs to fill five volleyballs with air. If each
volleyball has a diameter of 8
inches, what is the total volume
of air that Coach Tim will
need?
Round to the nearest
whole number.

Icould really use some with this question.

Twenty points. 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

Solve for n? [tex]z = \frac{3}{4} mn[/tex]