Lawrence buys his friends candy in the morning for $3 a box, but forgot some of his friends, so he went back to the candy shop and purchased the same candy but they had increased in price. he paid $6 a box. let t represent the number of boxes of candy lawrence purchased. write an expression that represents these purchases.

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)