A waitress sold 20 steaks and 26 salmon, totaling $558.53 on a particular day. Another day she sold 30 steaks and 13 salmon, totaling $584.61. how much did each dinner cost ?

Which pair of angles are vertical angles? ∠1 and ∠4 ∠1 and ∠2 ∠2 and ∠4 ∠2 and ∠3

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

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=