A hula hoop is 14 inches from the center to the outside what is the distance around the loop

We must first determine the shape of a rectangular prisms _ a0 to find area of the prism

Which expression demonstrates the use of the commutative property of addition in the first step of simplifying the expression (-1+i)+(21+5i)+0

I'm at a bookstore with $\$35$ in my pocket and a $20\%$-off coupon. what is the cost of the most expensive book i can buy with my money and the coupon? (assume that there are books of every possible price in the bookstore. it's a large bookstore! )