How many solutions does this system of equations have? Exactly two
None
Infinitely many
Exactly one

Answer this question only if you know the 30 points and

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

Which letters from the table represent like terms? a and b b and c a and d b and d