How many many bricks can bob the dog use to make a wood chuck

The probability of winning something on a single play at a slot machine is 0.11. after 4 plays on the slot machine, what is the probability of winning at least once

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

You have 12 balloons to blow up for your birthday party. you blow up 1/3, and your friend blows up 5 of them. what fraction of the baloons still need blowing up