HELP ME WITHH THIS PLS

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

The constant of proportionality is always the where k is the constant of proportionality. additionally, you can find the constant of proportionality by finding the ratio for any point onasap

Amir wants to proportionally increase the size of a photo to create a poster for his room. the size of the original photo is shown. complete the statement and then answer the question to represent ways that amir can increase the size of his photo.