Find the circumference of the circle when given the diameter of 42cm. Write the formula
for circumference and explain in detail how you arrived at your answer. Keep in mind the diameter is
42cm. You must find the radius in order to solve for the circumference.

Kevin is an insurance salesman. when he sells a policy, he makes 20 percent of the policy premium (p) up front; then each year the policy is active, he receives 15 percent of the original premium. which equation could be used to figure his total commission on a policy that has been active for five years? c=0.80p c=0.20p + 0.15p c=0.35p + 4(0.15) c=0.95p