2 7/9 × 1 1/5 ÷ 2 1/2

Four congruent circular holes with a diameter of 2 in. were punches out of a piece of paper. what is the area of the paper that is left ? use 3.14 for pi

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

Let f(x) = 5/x and g(x)=2x2+5x. what two numbers are not in the domain of f o g