Eden has a part-time job. She is paid £7.20 per hour.
This week she worked for 1812 hours.
Work out Eden's total pay for this week
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In a graph with several intervals o data how does a constant interval appear? what type of scenario produces a constant interval?

I’m stuck on this equation, anyone got the answer?

The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?