7x2y=-13
x-2y=11

slove useing subtract

Choose the correct slope of the line that passes through the points (1, -3) and (3, -5)

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?

Find the greatest common factor of -30x 4 yz 3 and 75x 4 z 2.