Find the mean, median, and mode(s) of the data with and without the outlier. wich measure did the outlier affect the most?

8, 10, 10, 11, 16, 17, 19, 21, 41

please help!!!

The table below shows the height of a ball  x  seconds after being kicked.  what values, rounded to the nearest whole number, complete the quadratic regression equation that models the data? f(x)  =  x2  +  x  +  0based on the regression equation and rounded to the nearest whole number, what is the estimated height after 0.25 seconds?   feet

At $1.32 million, they closed last month percent above what they paid in 2007." how much did they pay in 2007?

Which expression is rational? 6. , square root two, square root 14, square root 49