Option C:
The rate of change is $3 per picture.
Solution:
<em>Rate of change is same as the slope of the line.</em>
Take any two points on the graph.
(0, 20) and (20, 80) are two points on the line of the graph.
Slope of two points formula:
m = 3
The rate of change is $3 per picture.
Hence option C is the correct answer.
The ratio would be 3:4, or however you write ratios.
Hope this helped! :)
Answer:
<u><em>24</em></u>
Step-by-step explanation:
Answer:
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Step-by-step explanation:
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It use for a sample mean not popluation mean