(3a-7)^2
1. 9a^2-21a-21a+49
2. 3a(3a-7)-7(3a-7)
3. (3a-7)(3a-7)
4. Combine like terms
Answer: c = -7
Step-by-step explanation:
-4 + c = -11
c = -7
Yes it is greater
35 - square root(40) = 28.6754446797
Pi(6) = 18.8495559215
I do believe that it's one of the bisected ones. bisect is the line that splits the middle and D is definitely wrong. So that should narrow it down. So I would go with A or B. Sorry if I didn't help much but it's better than having no clue.