Answer:

Step-by-step explanation:
<em>Hey there!</em>
<u><em>Given info</em></u>
9(x + 4)
<u><em>Solve!</em></u>
9*x = <u>9x</u>
9*4 = <u>36</u>
<u><em>Answer</em></u>
<u>9x + 36</u>
D. 9x + 36
<em>Hope this helps :)</em>
Hi,
A)

B)
Only if n=4*k or n=4*k+1 , k beeing an integer.
Answer:
4 hours total
4+4+4+4 = $16
or 4x4 =16
Step-by-step explanation:
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Answer:19.75d
Step-by-step explanation:
Answer:
A
Step-by-step explanation: