Solve the following system of equations graphically. x = -5 y = -6 what is the solution set
a. {(-6, -5)}
b. {(-5, -6)}
c. ∅

A(t)=728(1+0.04)^t how much money did aditya originally invest

Need on this one asap im almost done with this subject

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