3. 12 a
4. 7b-10
all you have to do is add up all of the sides.
Answer:
m = 0
Step-by-step explanation:

17,064. Do multipcation and line numbers up, remember to carry.
-4/3x (or -1 1/3x if you use whole numbers instead of an improper fraction) -7 = 1
Answer:
Yes, as there are 2 terms: x2 and a