Partial quotient of 630 divided by 5

Ashopper bought a watermelon a pack of napkins and some paper plates in his state there was no tax on food the tax rate on non-food items is 5% the total for the three items he bought was 825 before tags and he paid $0.19 in taxes how much did the watermelon cost

When a rectangle is dilated, how do the perimeter and area of the rectangle change?

What is the value of x in the following equation. -x ^3/2 = -27