The area of a circle is 19.625 m² what is the circumference of the circle

Write 17/20 as a decimal and as a percent.

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

Which shows the correct substitution of the values a, b and c from the equation 1=-2x+3x^2+1