When trying to find the constant of proportionality what do you do.

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.

Select all of the quadrants that the parabola whose equation is y=√x-4 (principal square root) occupies. i ii iii iv

Ateacher noticed 5/8 of the students were wearing either blue shorts or white shorts. write two different ways this could be done.