What 14/16 as a mixed number? Simplify if needed (pics for my friends, even tho they probs won't care)

On the first of each month, shelly runs a 5k race. she keeps track of her times to track her progress. her time in minutes is recorded in the table: jan 40.55 july 35.38 feb 41.51 aug 37.48 mar 42.01 sept 40.87 apr 38.76 oct 48.32 may 36.32 nov 41.59 june 34.28 dec 42.71 determine the difference between the mean of the data, including the outlier and excluding the outlier. round to the hundredths place. 39.98 39.22 0.76 1.21

Solve 3x-18=2y and 5x-6y=6 by elimination show work

Me. i can't figure out this question. give an explanation too. .