Answer:
A- 4.50
B- unit price is 2 dollar per a hat. Price would be 24 dollars
C- unit price is .40
D- 69
This is the answer. Hope it helps
Answer:
Sally ends at 3 feet below zero point.
Step-by-step explanation:
Let be
the height with respect to zero point, which is represented by the following sum:

Where:
- i-th travelled height, measured in feet.
In addition, positive sign means ascension, whereas negative sign means descent.
The statement can be translated into the following mathematical identity:



Sally ends at 3 feet below zero point.
The answer is A because if you look at the other points you can see a pattern that they are opposites so A is you answer <span />