Please help goingsleepy I'll mark brain crown

Show algebraically that f and g are inverse functions f(x)=x^2/-6; g(x)=square root of 2x+12

Complete the statements about the system of linear equation respresented by the tables the equation respented the left table is

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?