Answer:
126ft^2
Step-by-step explanation:
1/2 * 7/4 = 7/8 in^2
1/2 here = 6 ft
1 in = 12ft
3/4 = 9 ft
6*21 = area
126ft^2
Answer:
Add
Step-by-step explanation:
By the way this question was worded, I'm going to say add. If I were to write the expression out, I personally would write it like this:

And parentheses always occur first.
Hope this helps!
Answer:
Answers below
Step-by-step explanation:
1. 
2. 
3. 
5. 
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7. 