Question

Simplify by combining like terms.

three r plus s plus s plus seven

Answer 1

3r + s + s + 7
combine like terms
3r + 2s + 7 (you cannot do anything else with this because you cannot combine unlike terms)

Answer 2

your adding the s's making it 2s, you not multiplying, so don't make it s^2

Answer 3

kk

Answer 4

:)