The point-slope form:

- slope
- point
We have the point
and the slope 
Substitute:

Answer: C. 5
Step-by-step explanation:See the attached picture.
D
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Cube root (27a^12)
Cube root 27 = 3 because
3 * 3 * 3 = 27
Cube root a^12 = a^4 because
a^4 * a^4 * a^4 = a^12
ANSWER
3a^4