Interpret the scatter plot shown for the men's Olympic 100-meter freestyle swim winning times. If an association
exists, make a conjecture about the winning time in the
2016 Olympics.
*sorry if the picture looks weird

Twenty-five percent of the customers entering a grocery store between 5 p.m. and 7 p.m. use an express checkout. consider five randomly selected customers, and let x denote the number among the five who use the express checkout.

Aline has a slope of 1/4 and passes through point (0.4,-1/2). what is the value of the y-intercept?

Abox contains 1 plain pencil and 4 pens. a second box contains 5 color pencils and 5 crayons. one item from each box is chosen at random. what is the probability that a plain pencil from the first box and a color pencil from the second box are selected? write your answer as a fraction in simplest form.