Two trains leave the same station at the same time, but are headed in opposite directions. one train  travels at 70 mph and the other train travels at 80 mph. how much times passes until the trains are 600 mi  apart? a) 2 b) 3 c) 4 d) 5

Can i get some on 18,20,& 22? or one of them

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

Cot(90° − x) = 1 the value of x that satisfies this equation is °. a. 60 b. 135 c. 225 d. 315