What is 5 and 1/3 times ( - 4 and 4/5) a -25 and 3/5 b. -20 and 4/15 c. 20 and 4/15 d 25 and 3/5

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

Can someone me with this? i’m not sure what to put for my equations.

Which equation represents h for right triangle abc