Answer:
SAS
Step-by-step explanation:
You are already given that two sides are congruent, thus making the "s" part. You can further say that two angles are congruent, due to the verticle angle theorem!
the answer is 2 which is B.
4⁻³
4³ · 4⁻⁶
= 4⁽³⁻⁶⁾
= 4⁻³
The answer is the green answer choice which is 5/7.