Seven cards are face-down on a table. Each of the cards has exactly one of the numbers 1, 2, 4, 6, 7, 8 and 10 facing down. No t
wo cards have the same number on it. Two cards are randomly selected and turned over. What is the probability that their sum is a multiple of 3? [Express your answer as a fraction in lowest terms]
Which of the following individuals may be required to undergo HIV testing? a) Employees of a small business with limited health insurance resources b) A technician at an HIV testing lab c) A convicted sex offender d) A nurse applying for a job at a hospital
