Answer:
13)5m-10
14)8y+16
15)-3m-12
16)a²+3a
17)h²-2h
18)2m²+8m
19)-2z+16
20)-4x²+40x
21) 12x and 60
22)x and 4
Answer:3
Step-by-step explanation:
I am pretty sure the answer is 23
The answer is 23 because if you multiply 23 by 10 you get 230 which is the same if you divided 230 by 10 and you get 23.