Calculate the perimeter of the regular hexagon which has 8 sides pls i’m stuck

Find the average rate of change for f(x) = x2 − 3x − 10 from x = −5 to x = 10.

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?

Thelime contains the point(-3,0) and parallel x-3y=3( show all work)