I believe the answer is
2 and 1/5
I’m not sure what happened while you were writing this, but if I’m reading it right, “My” has 18 books. If “My” has 3 times as many as 6, that also means 3 times 6, which is 18.
The answer is 9 because 3/5 to second power is 9/25 then you multiply it by 25 and you get 9
Angles 6 and 7, because they are alternate along the transversal.
Also angles 1 and 4.
