The us counties that border mexico have an unusually high percentage of people in which age group?

a. 0-17
b. 18-39
c. 40-59
d. 60-79

Because its government strictly controls its economy, north korea has a economy. a. command b. mixed c. traditional d. free market

Which phrase describes the time it takes for a planet to make a complete rotation

The distance a car travels between the time the driver decides to stop the car and the time the driver puts on brakes is called the reaction distance. how does the reaction distance change with speed? a.reaction distance decreases with with speed b.reaction distance stays the same with speed c.reaction distance increases with speed. d.there is not enough information to answer the question