Please help, how do i graph this?

What are the solutions of the system? solve by graphing. y = -x^2 - 3x + 2 y = -2x + 2

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class

I’m on question 7 it says a covered water tank is in the shape of a cylinder the tank has a 28 inch diameter and a height of 66 inches to the nearest square inch what is the surface area of the water tank