PLEASE HELP ME OUT HERE:

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

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)

How to write four times a number, minus 6,is equal to theee times the number+8 as an equqtion