A line is graphed on the coordinate plane below. Line y = -x + 2 will be graphed on the same coordinate plane to create a system of equations. What is the solution to that system of equations? Plz show work.

Let r = 3. what is the value of r + 58?

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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?