The average rate is 150 cc/4 hrs=37.5 cc per hour.
Answer:
-3, 17
Step-by-step explanation:

It would be (6,9) from the given end point to the given middle point it is a 7 point difference, so we add 7 to the y value to get the other endpoint, hope it helps!
Answer:
The first one
Step-by-step explanation:
Might be wrong sorry
Answer:
4 ft 11 inches
Step-by-step explanation:
Remember that 12 inches is 1 foot, so 24 inches is 2 feet. That means, 23 inches is 1 foot 11 inches. 11/12 is one inch gone from a foot, so 23/24 much be one inch gone from 2 feet.
Since you already have 3 feet, adding the 1 foot and 11 inches leaves you with 4 ft 11 inches as a result.