Find the area of the circle. Use 3.14 for pi. The diameter is 36 ft

Find the solution of system of equation y= x-4 y=4x+2

There are 15 plates and each plate is either 7 or 12 inches diameter. which systems of equations do you use to find the number of 7 inch plates, x and 12 inch plates, y

Find the length of the diagonal of the rectangle. round your answer to the nearest tenth. || | | 8 m | | | | 11 m