I’m sorry i don’t know the answer but i need to ask another question but i gave up answer a question first sorry
16. would be C since they both consist of the same variable to the same power
17. x-2x+7-9+4x
c. 3x-2
18. -4(3a-5). You would multiply -4 by 3 a, and -4 by -5. It turns to
-4(3a)-4(-5)
a. -12a+20
Answer: i've heard about it but i'm not too much into it
77 is ur answer hope this helps u
