When 4a-9b=22 and b= -2, what is the value of a? a.-10/3 b.-14/9 c.1 d.4 e.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

Identify the number as a rational or irrational.explain. 127

What is the similarity ratio of a cube with volume 729m^3 to a cube with volume 3375 m^3