State a, b, and the y-intercept then graph the function on a graphing calculator
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Answer question above and explain each step : )

Acircle has a diameter will endpoints of (-2,8) and (6, 4). what is the center of the circle

Ataxi company charges $2.25 for the first mile and then $0.20 per mile for each additional mile, or f = $2.25 + $0.20(m - 1) where f is the fare and m is the number of miles. if juan's taxi fare was $6.05, how many miles did he travel in the taxi? if juan's taxi fare was 7.65, how many miles did he travel in taxi