Can you solve this question? "the relationship between the number of 4$ lunches you buy with a 100$ school lunch card and the money remaining on the card. state wether the graph of each linear relationship is a solid line or a set of unconnected points.

2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?

What is the name of a polygon that has four congruent sides and theses angle measures 60,120,60,120?

Find the distance between the point (-3,-4), and (see the picture below)