Answer:
2 1/3
Step-by-step explanation:
21/9 is 2.33 or 2 1/3
D, because after being reflected onto itself or turning 180 degrees, you would be transforming onto itself. I hope this helps!
Answer:
a c and e hope it helps :D
Step-by-step explanation:
Answer:

Step-by-step explanation:
=
We need a common denominator before we can add.
+
means the same thing as
-
= 