First right answer for both gets brain

Solve the system of equations. y= 2x y= x^2 - 15

Miguel’s teacher asks him to color 4/8 of his grid. he must use 3 colors: red, blue, and green. there must be more green sections than red sections. how can miguel color all the sections of his grid to follow all the rules

Which value of m will create a system of parallel lines with no solution? y = mx - 6 8x - 4y = 12