The volume of the spherical balloonVis increasing at a constant rate of 16 cubic feet perminute. How fast is the radiusrincreasing when the radius is exactly 5 feet

Could someone with number 1 and 2

Of the total number of spectators at a circus show, 1/4 are men. 2/5 of the remaining number of spectators are women. there are 132 women at the circus show. how many children are at the circus show?

I’m not sure about what the answer is