Does anyone know what today is?

rp below DON'T report(it's my b-day)

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

Acompany wants to reduce the dimensions of its logo by one fourth to use on business cards. if the area of the original logo is 4 square inches, what is the area of the logo that will be used on the business cards?

God's gym charges a sign-up fee of $100 plus $30 per month. write an expression to represent how much someone would pay for a membership.