Answer: Associative property of addition
I hope this helps :D
Answer:
1.
Q- acute
R- right
S-acute
2.
- QRS is a right triangle because it has a small square at the right angle.
hope this helps!
Step-by-step explanation:
Each term is being divided by -3, so the next three terms would be:
-1/3, 1/9, -1/27
A because the difference between them is 1 but started at 2 and every time u add an extra 1