CAN SOMEONE HELP ME PLEASE

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?

Ten times the square of a non-zero number is eqaul to ninety times the number

Complete the equation of the live through (-1,6) (7,-2)