If the arc length of AB is 12pi, what is the radius of the circle below? *
120°
B

Jackie purchased 3 bottles of water and 2 cups of coffee for the family for $7.35. ryan bought 4 bottles of water and 1 cup of coffee for his family for 7.15. how much does each bottle of water cost? how much does each cup of coffee cost?

Which expression is not a polynomial?

Prove that 16^4-2^13-4^5 is divisible by 11.