Answer:
maybe 2 only?
Step-by-step explanation:
I'm just guessing but it sounds right
Assuming the missing parenthesis is at the end the simplified answer should be k-8
Answer:
C.
Step-by-step explanation:
Negative exponents on the top is equivalent to them being positive in the bottom.

This is not possible, as -6 is not equal to -4.
It would be nice If I could read it better. The answer is C if is says angle 3 and angle 5.