Answer:
A
Step-by-step explanation:
Rule: a Minus power always goes to the opposite place to where it is. If it is in the denominator, it goes to the numerator. If it is the numerator, it goes to the denominator. The minus power does not affect the sign of the expression.
So you are right. The minus power does not give a minus answer.

Answer: A
Answer: 42/21 or 2
Step-by-step explanation:
you first convert them to improper fractions, which is 14/3 and 7/3. Then, you multiply the reciprocal and get 14/3x3/7, and get 42/21. Simplify, and you get 2.
Answer:
make 3
Step-by-step explanation:
13.5x2.5=33.75in
33.75in=2.8125ft
2.9ft(or so)x3=8.7
You can only make 3 with about 1.5 ft left over. cause 33.75x3=101.25, which is 8.4375ft, or 8.5 ft.
SAS but i’m not sure. i’m doing this right not but each triangle shows two sides and angle so i would pick SAS