Does the following # represent y as a function of x?

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

Hiroaki wants to find 3 3/4 - 7/8 explain why he must rename 3 3/4 to do the subtraction.

Tessa bought stock in a restaurant for $253.00. her stock is now worth $333.96. what is the percentage increase of the value of tessa's stock? a.) 81% b.) 32% c.) 24% d.) 76%