If the standard deviation of the data values in a sample is 15, what is the variance of the data values?

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

Prove that quadrilateral is a rhombus.

[tex]5 \times1 \frac{12}{13} [/tex] me