Answer:
3 galllon one is $8 because it is the only thing that you can multiply by 3 to get 24
The 4 gallon one is $9 because it is the only number that you can multiply by 4 to get 36
Step-by-step explanation:
Answer:
Looks like it's 1.
Step-by-step explanation:
Since it is a positive slope and it goes up 1 unit, the slope is 1.
Answer:
The percentage is 
Step-by-step explanation:
From the question we are told that
The population mean is 
The standard deviation is 
The percent of people who write this exam obtain scores between 350 and 650

Generally




From the z-table 
and 
=> 
=> 
Therefore the percentage is 
Answer:The answer is 11.75
Step-by-step explanation:
Slope is rise/run or y2-y1/x2-x1. So to find the slope, find two points where the point is exact, then do the equation. That's the best I can explain, sorry if this doesn't help at all.