Trina joins a fitness club that has a membership that has a membership fee of $20 plus $15 per month. sheila's club has a fee of $40 and charges $10 per month. in how many months will the two clubs cost the same?

4 months

Step-by-step explanation:

to get them similar, you have to set them equal to each other.

y=15x+20, y=40+10x.

15x+20=40+10x

5x=20

x=4 months

sorry not sure

step-by-step explanation:

let m = monomial

let t = trinomial

so, m times t = t.

monomial times a trinomial = another trinomial.