Ounces (oz.) because ounces are used for the mass and measurements in mostly liquid <span />
A strong positive
The plot has a positive slope and very close together pattern, so I would say a strong positive
Answer:
<h2>7.5$</h2>
Step-by-step explanation:

Can we get a picture please
C(x) = 5x + 2
This is because at 1 hour it only cost 7 dollars, so it should only have 2 added to the end.