Add ( 7a+2b+6ab+4ab+3b,-6a+2b+2ab)
pls say as soon as possible plz

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?

Which expression can be used to determine the slope of the line that passes through the points -6, three and one, -9

Find an equation of variation where y varies directly as x and y 75 when x5, findy when x is 1