Murnane and Levy (1997) found that what percentage of 17-year-olds could not read or do math at the level needed to perform the types of new jobs that are being created today?

In comparison to workers in Western European countries, U.S. workers

a. have a more powerful labor union structure. b. work 250 hours longer per year. c. work fewer hours. d. are more cooperative.

Because of AIDS, there was initially a sharp decrease in risky sex among gay men, but this trend has recently reversed

Indicate whether the statement is true or false