120x2000 whover answers i will see if i can mark brainlest pls give me direct answer

Which of the following is not a subset of {1,2,3}?

On her first stroke, maya hit a golf ball 146 yards, 2 feet, 11 inches. on her second stroke, she hit it 163 yards, 1 foot, 2 inches. how far did the ball go all together? convert the answer to larger units whenever possible.

What are the solutions for the following system? -2x^2+y=-5 y=-3x^2+5