Mr. raysor bought crayons and markers for his school. he bought 5 times as many crayons as markers. he bought 30 boxes a total of 30 boxes. how many boxes of crayons and bixes of markers did mr. raysor buy? complete the bar model. write an equation and solve

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)