Find the next four terms of the sequence 125, 25, 5, 1, A) -1/5, -1/25, -1/125, -1/625

B) 5, 25, 125, 625

C) 1/5, 1/25, 1/125, 1/625

D)-5, -25, -125, -625

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)