ughhh. I'm only helping because I want points and I'm bored. Just please tell me if you actually need help or if you are lazy.
Questions 11/16 all involve simplifying like terms and using additional properties.
11) b - 2 + 6 - b
-2 + 6
4
12) -3k + 9k
6k
13) -7(1 + 6v)
-7 + (-42v)
-7 - 42v
14) 4(x+7)
4x + 28
15) 3(x-3) + 5x
3x - 9 + 5x
8x - 9
16) -4(n-3) + 6
-4n + 12 + 6
-4n + 18