Solve 0.48 ÷ 0.04 Help me please

Circle a has a diameter of 7 inches, a circumference of 21.98 inches, and an area of 38.465 square inches. the diameter of circle b is 6 inches, the circumference is 18.84 inches, and the area is 28.26 square inches. part a: using the formula for circumference, solve for the value of pi for each circle. (4 points) part b: use the formula for area and solve for the value of pi for each circle. (4 points)

If each bricks costs and he can only buy one brick how much will it cost him to get the material to put around the outside of his garden?

To prove a polygon is a rectangle, which of the properties listed must be included in the proof?