20 POINTS PLEASE HELP ME WITH GEOMETRY

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

Through: (-3,-3) parallel to y= 7/3x+3

Prove that (x-2)is factor of p (x)=2x³-3x²-17x+30