How do you solve for domain and range?

For each proportion find the unknown number x 1/5/8=×/15

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

The probability that a student graduating from suburban state university has student loans to pay off after graduation is .60. if two students are randomly selected from this university, what is the probability that neither of them has student loans to pay off after graduation?