Combine like terms .Plez Halp TnT

A. 7a + 70 - 13 a - 1 lb

B. -5a - 12a + 2b - 3b

Step-by-step explanation:

hope this helps

brainliest appreciated

good luck! have a nice day!

answer: all of the odd numbers were opened

the first person was the one that was opening all of the lockers. since one is odd, this causes all of the odd number lockers to be opened in the end.

let m = monomial

let t = trinomial

so, m times t = t.

monomial times a trinomial = another trinomial.