Answer:
Part A - 
Part B - 
Step-by-step explanation:
Answer:
$0.02
Step-by-step explanation:
$1.07 / 52 = $0.0205769230769
Simplified is $0.02
C. 7.2°F is warmer than 7.0°F but colder than 7.6°F.
According to the information given in the exercise, the following expression represents the area of the rectangular garden:

And the following expression represents the combined area of the walkway around the rectangular garden and the area of the garden:

You can identify that the word "combined" indicates that that expression was obtained by adding both areas.
Knowing the above, you can set up the following equation:

Where "A" is the area of the walkway around the rectangular garden.
Solving for "A", you get the following expression:

The answer is: