The number of newly reported crime cases in a county in New York State is shown in the accompanying table, where x represents the number of years since 2008, and y
represents number of new cases. Write the linear regression equation that represents
this set of data, rounding all coefficients to the nearest tenth. Using this equation,
estimate the calendar year in which the number of new cases would reach 543.

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

Which table represents a linear function? i'll give brainliest to first answer ^'^

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x