HELP ASAP AND QUICK = {all positive integers) and A = {x|x EU and x is an odd positive integer), which describes A?

AC = {x|x EU and is not an integer}

AC = {x|x EU and is an even positive integer]

AC = {x|x EU and is zero)

AC = {x|x EU and is a negative integer)

Suppose you are analyzing the relationship between time and distance given in a table,and there are 4 values for each quantity.you divide distance 2 minus distance 1 by time 2 minus time 1.you then divide distance 4 minus distance 3 by time 4 minus time 3 and get a different answer.what can you say about the relationship?