Answer:
6 1/2 hours
Step-by-step explanation:
3 1/2 + 1/2 + 2 1/2
4 + 2 1/2
6 1/2
First add the 3 1/2 and the 1/2 together to get 4. Then you add the 2 1/2 to the 4 to get 6 1/2. :)
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To solve this, we have to simplify these numbers by adding like terms.


Next, we factor our expression. To do so, we look for the greatest common factor of 42 and 14, which is 14. We know that because 42 divided by 14 is 3.


Answer:
try ( -4,1)
Step-by-step explanation:
if not then i'm sorry
Answer: B
Step-by-step explanation: