Solve each system by substitution.
-2x-4Y=-14
y=-5x-10

Tom wants to order tickets online so that he and three of his friends can go to a water park the cost of the tickets is 16.00 per person there is also a 2.50 one-time service fee for ordering tickets online write an expression in term of n that represents the cost for n ordering tickets online

Sum is 17 and their difference is 3

The surface area of the triangular prism is .