Answer:
The last choice.
Step-by-step explanation:

The value of k must be restricted from being one that makes the original denominator zero. Hence k ≠ -1 or 5.
Answer:
i think it may be "A" but i may be wrong sorry if im wrong
Step-by-step explanation:
Answer:
7
Step-by-step explanation:
Answer:
use formula of equilateral triangle = roots 3/4 a square.
Answer:
or 
Step-by-step explanation: