This table shows statistics about the US population in 2010. Which group made up the smallest segment of the population in 2010? under the age of 18 between 18 and 24 between 25 and 44 over the age of 65.

Two technicians are discussing how to test a car's exhaust by holding a small piece of paper within an inch of the tailpipe mouth. technician a says that if the paper is vibrating due to a "puffing" output from the tailpipe, this signals a smoothly running engine. technician b says that if the paper is being drawn toward the tailpipe, this could indicate burned exhaust valves. who is correct? a. technician b b. both technicians a and b c. technician a d. neither technicians a or b

Which of the following is a presentation cue? a. crossing your arms b. mumbling c. repeating words d. whistling

What is 7/81 as a percentage? round your answer to the nearest tenth of a percent.