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Solve: 2x^2/3 = 8

2y= 3 2 x−2 y = − 1 3 x + 1 y=− 3 1 x+1

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?

Lola says these two expressions have the same value. expression a expression b which explains whether lola is correct?