It’s 1,-2!! it’s where the lines meet
All you've got to do is write an equation. EX 2n-1
36:20 18:10
-------- = -------- = 9:5
2 2
If we are simplifying, ⅜ ab³a⁴ is
⅜a^5b³. when multiplying like bases you add exponents
second is xy²/2. when dividing like bases you subtract exponents