X = -1+y 2x - y = 0
All of this is one question it’s simultaneous equations. Can someone please help

Solve the equation 3x2 + 19x + 9 = 0 to the nearest tenth.

Pls me this is due today and i need i will make brainliest if you me answer correctly and i will report if you try to give me a dumb answer.

The clayton family’s pool has vertices at the coordinates (0, 2), (0, 5), (2, 5), (2, 6), (5, 6), (5, 1), (2, 1), and (2, 2). if each grid square has an area of 9 square feet, what is the area of the pool?