Step-by-step explanation:
4x2 - 25b2
We can solve it by the squares so
(2x - 5b) (2x + 5b)
2) x2 - 81
The same case is here so
(x - 9) (x + 9)
Ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
The average score as a fraction is 721/1000
Answer:she's a freshmen leave her alone anime girl before senpai comes for ya >_<
Step-by-step explanation:
1. 14:8, 21:12 28:16
2. 10/12 15/18 20/24
5. 5:4
6. No
7. No
8. Yes
9. No
10. 15
