This equation shows how the cost of a corporate team-building event depends on the number of attendees.
d = 4a+6
The variable a represents the number of attendees, and the variable d represents the
cost in dollars. If there are 3 attendees, how much will the corporate team-building event
cost?

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)