What two numbers can you ADD to = 9 and MULTIPLY to = -36

A. -3 + 12 and (-3)(12)

B. -2 + 18 and (-2)(18)

C. -1 + 36 and (-1)(36)

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)