Slope of the line help

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.

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?

How long does it take natsumi to clean up after she is done? table: .area time30. 245. 2.7560. 3.5