What is the solution to the system of equations?

3x+2y=39
5x-y=13

(4, 7)
(7, 4)
(12, 5)
(5, 12)

Aquadratic function f(x) has a turning point at (3,-7). what is the turning point of -f(x)?

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

Solve this and show you’re work step by step ! -5 3/4+3h< 9 1/4 -