Answer:
The answer is "
"
Step-by-step explanation:
Given value:

Find:
area=?
calculation:


Ummm let me see so what u have to do is
<h3>
Answer: 28k+68</h3>
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Work Shown:
7(8+4k)+12
7*8+7*4k+12 ..... distributive property
56+28k+12
28k+56+12
28k+68