Which inequality is equalivalent to |x-4|< 9

Which rational number could be graphed between -4 and -5

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?

An octagonal prism has jow many lateral faces?