Amuseum has 25 boxes of lenape pottery. each box has 12 pieces op pottery. after the pottery is unpacked, they are arranged into 30 rows with the same number of pottery in each row. how many pieces of pottery are in each row? show your work

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)