Find an equation for the iscoseles triangle

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

Which is f(5) for the function –2x2 + 2x - 3?

5x−4≥12 or 12x+5≤−4 can you with this problem