Then the original price was $42
Because it is half off we multiply 21 by 2 and get 42.
√105 is written in simplest form already.
The answer would be D. √105
Answer:
2y
Step-by-step explanation:

Answer:
Shown below
Step-by-step explanation:
-0.25/1x is your rise over run, 4 is your “starting point”