Answer:
hey moderators can you just comment like you dont have to ban me 6 times i just want one comment and ill stopphey moderators can you just comment like you dont have to ban me 6 times i just want one comment and ill stopphey moderators can you just comment like you dont have to ban me 6 times i just want one comment and ill stopp
Step-by-step explanation:
Start by multiplying both sides by r:


Since

and

, we have that
Answer:
4.2
Step-by-step explanation:
B- n/ 3 - 8 = 18....................