I think d but i might be wrong :( sorry
1. false because they have the same slope and y-intercept so they have infinite number of solutions
2. true
Solution:
The gas can is filled at the rate of 320 cubic inches per minute.
The can is 10 inches long, 8 inches wide, and 12 inches high.
So volume of the can=10 in*8 in *12 in

Time required to fill the can
Hence Time required to fill the can =3 minutes.

difference between standard deviation and mean deviation
Answer:
Standard deviation is basically used for the variability of data and frequently use to know the volatility of the stock. A mean is basically the average of a set of two or more numbers. Mean is basically the simple average of data
Hope this helps!!
