The diameter of a grain of sand is estimated to be about .0024 inches. Write the estimated diameter of a grain of sand in scientific notation.

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

Complete the solution of the equation. find the value of y when x equals to 28 x+3y=28

Solve the following inequalities and show the solution on a number line. 3/4 (2x-7) ≤ 5