How to find an area of this figure? :

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Find the sum of 4x^{2} -4+6 and -7^{2} +3x+1

Which of the following expressions are equivalent ?

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