Use the exterior angle theorem to determine which of the following angle measures is not less than 13

1.angle 8
2.angle 10
3.angle 2
4. angle 9

Jackie purchased 3 bottles of water and 2 cups of coffee for a family for $7.35. brian 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? i need this done

List the sides of δrst in ascending order (shortest to longest) if: m∠r =x+28°, m∠s = 2x+16°, and m∠t = x+12

If y varies directly as x2 and y=6 when x=6, find the constant of variation.