Answer:
1. 2ac
2. 2y-10
3. 1
4. 5/6
5.
[tex] \frac{ {x}^{2} }{18} [/tex]
6.
[tex] \frac{ {m}^{2} + 6m + 8}{16} [/tex]
7.
[tex] \frac{1}{10x + 10} [/tex]
8. x-5/2
9.
[tex] \frac{ {7x}^{2} - 30x - 32 }{ {5x}^{2} - 5x - 60} [/tex]
10.
[tex] \frac{9x}{ {5y}^{3} } [/tex]
11. 3/4
12.
[tex] {12x}^{2} [/tex]
hope it helps!
