<h2>
Answer: 8</h2>
Step-by-step explanation:

Therefore, Mel has to work at least 7.5 hours or 8 total hours.
24
Multiply 6 and 4 to get 24
They will be able to prepare 24 tables
Answer:The perimeter is 13.6
Step-by-step explanation:
This gives us a perimeter of 13.6
Answer:
B is correct
Step-by-step explanation:
-(-x) = x, because a double negative like this equals a positive.
Therefore, you are actually saying -x+x= 0 which is true.