Answer:
HL theorem
Step-by-step explanation:
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
2 square root x • 4x= 22
2x=22
x=11
Answer is 11
Answer:

Step-by-step explanation:











Hope I helped!
Best regards! :D
~
Answer:
I believe that the answer is 'n=8'.