Answer:
The equation is: 
Step-by-step explanation:
Caroline was thinking of a number.
We are going to call this number x.
Caroline halves the number and gets 7.3.
To find half of a number, we multiply by 1/2. So


I believe the answer is 3 3/4.
The answer is D. (2.9,-22.8)
Answer:
It depends on the columns
Step-by-step explanation: