3. About 3.9 x 107 people live in California. About 1.3 x 10° people live in Maine. About how many more people live in California than live in Maine?
A. 2.6 x 10^6
B. 2.6 x 10^7
C. 3.77 10^6
D. 3.77 x 10^7

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

Can any one me with the answers to these questions asap?

Ireally need subtract and simplify.(-y^2 – 4y - 8) – (-4y^2 – 6y + 3)show your work, ! i will mark you brainliest but you have to show your work.