Approximately how many new cases of HIV infection are reported annually in the United States?

Assume that each drink contains the same amount of alcohol and all drinks are consumed within one hour. Which of these individuals would have the highest blood alcohol concentration after consuming five of the designated drinks?

a) Rex, who is drinking vodka; he weighs 175 pounds b) Andrea, who is drinking beer; she weighs 160 pounds c) Robert, who is drinking red wine; he weighs 150 pounds d) Ann, who is drinking white wine; she weighs 125 pounds

What percent of teenagers aged 15-19 have actually talked with a parent about sex?

A) 19% B) 39% C) 59% D) 79%