Which answer choice is equivalent to he sum of the polynomials below? (10*+-6)+(2x^2-9x-12) A. 3(4x-^2+6) B. 6(x-3) C. 6(2x^2-x-3) D. 18(x^3-1)​

Zahra was given two data sets, one without an outlier and one with an outlier. data without an outlier: 15, 19, 22, 26, 29 data with an outlier: 15, 19, 22, 26, 29, 81

Which expression is equivalent to sq-80

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?