Cookies are sold singly or in packages of 3 or 9. with this packaging, how many ways can you buy 18 cookies?

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

How would you find the height of points on the circle? the topic is trigonometry.

Can anyone explain to me how to do this? anything will .