15 seats in 3 rows = ? seats per row

Find the sum of the first 8 terms of the following sequence. round to the nearest hundredth if necessary.

Which expression is equivalent to7_/x^2 ÷ 5_/y^3? assume y# 0

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