Which of the following equations is non-linear?

x + 12 = -8x + 10 - 2y
x = 8x + 19 - 10y
2x + 6y = 14y - 19x2 + 12
2x + 13y + 14x - 7 = 16y - 3

Find equation of line with slope equals 8 and passing through (6,53)

The classrooms are trying to raise $1,200.00 for charity. mrs. leblanc's class has raised 50%. mr. patel's class has raised $235.14 ms. warner's class has raised 1/3 as much as mrs. leblanc's class. how much more money is needed to reach the goal of $1,200.00?

Qrst is a parallelogram. determine the measure of ∠q pls