Can u help me with my work pls

The value √10 and √15 are plotted on the number line

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?

Explain step-by-step how to simplify -5(2x – 3y + 6z – 10).