Answer:
The flow rate is 138.95 mL per hour.
Step-by-step explanation:
We are given the following in the question:
Volume of solution = 2.64 L
1 L = 1000 mL
Volume of solution in mL =

Time period = 19 hour
Unit rate of flow =

Thus, the flow rate is 138.95 mL per hour.
Answer: The answer is 4. 7+(-3) is like 7 minus 3.
Step-by-step explanation:
X=73 y=34
i think that is the answer