If a = 4/7 what's the multiplicative inverse of a

Aiden buys two bags of chips at $1.09 each and a 20 ounce soda for $1.20 at the gas station.he knows that the state tax is 5.5. how much change will he receive from a $5 bill?

Select the quadratic that has root x = 8 and x = -5

Find the dimensions of the circle. area = 64π in.² r= in.