D. Hours(cost)=$200 because think about the hours and how long it will take to get it done
57-39=18 so 39+18=57 so the answer is 18
The answer is H I know this because ... and then answer so you get more credit .
Answer:
4
Step-by-step explanation:
The factors of 4 are: 1, 2, 4
The factors of 12 are: 1, 2, 3, 4, 6, 12
Then the greatest common factor is 4.
Hope this helps! :D
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