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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?

How do you determine if an ordered pair is a solution to a given equation?

5. (03.02)if g(x) = x2 + 3, find g(4). (2 points)1619811