What % of 16 is 84 LOW TIME LIMIT HELP

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

At a book fair, joe bought 24 books at 3 for $5 and had $2 left. how much money did he have at first?

Gray looks up the definition of point. a point is a location in a region. what is true about the statement describing the word point? 1. the statement uses the terms location and region that are defined based on an understanding of a point. 2.the statement precisely defines the concept of a point. 3. the statement does not include information needed to fully define a point. 4. the statement is an incorrect description of a point because it does not use mathematical words.