Ineed plz can someone me or i’m going to get an 50% n this is my final test grade. i need with all of them.

Which of the following is most likely the next step in the series? a3z, b6y, c9x, d12w, е15v, f18u

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.

Sally deposited money into a savings account paying 4% simple interest per year.the first year,she earn $75 in interest.how much interest will she earn during the following year?