Math madd points the rates of change of two data sets can be compared by finding: a-the initial values. b-the slope of each trend line. c-how close the points are to the line. d-the y-intercepts.

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)