30 points math need help equation !! Brainlest included

Solve this system of equations: y=x2-3x + 12 y=-2x+14 4. substitute the values of x, -1 and 2, into either origina equation to solve for the values of y. what are the solutions of the system of equations?

Robin and john each a a 12 inch pizza about how many square inches of pizza did they eat? estimate how much pizza they ate

Write a function rule for the output is 5 less than the input