Solve for y. 3.5y + 2.5y = 345

What value of x is in the solution set of 4x – 12 s 16 + 8x?

Which equation represents the function on the graph?

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