A) Find the next two numbers in the following sequences: i) 9, 18, 27, 45, 72,
ii) -7, -2, 3, 8, 13,
iii) 7, 21, 63, 189, 567,
iv) -3, 6, -18, 54,

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)