TV¯¯¯¯¯¯¯ is the bisector of ∠STU. If m∠STV=7x+16 and m∠UTV=2x+21, what is m∠STU?

What expression is equivalent to 1/2(2+3x-6)

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

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base