Suppose that the data in a scatter plot are randomly located so that there is no relationship between x and y. which of the following describes this situation

If anyone has done the algebra 2 chaos theory portfolio would you be wiling to me? i kind of know what i'm doing i just don't know if i'm doing it right.

Two customers went to a post office. first customer paid $12 for 14 and 5 envelopes the second paid 24.80 for 10 postcards and 15 envelopes. what is cost of each envelope?

What is the distance between the points (2, 5) and (5,9)?