The variable Z is directly proportional to X, and inversely proportional to Y. When X is 12 and Y is 18, Z has the value 2.

What is the value of Z when X = 19, and Y = 22

F(x) = 1/x g(x)=x-4 can you evaluate (g*f)(0) ? why or why not?

Aculinary club earns $1360 from a dinner service. they sold 45 adult meals and 80 student meals. an adult meal costs twice as much as a student meal. what is the cost of an adult meal?

Factor this polynomial completely. 12x^2+ x-6