Ajet leaves the charlotte, north carolina, airport traveline at an average rate of 564 km/h in the same direction. how long will the second jet take to overtake the first?

The perimeter of a movie screen is 54 meters. the screen is 18 meters wide. how tall is it?

Avery’s piggy bank has 300 nickels, 450 pennies, and 150 dimes. she randomly picks three coins. each time she picks a coin, she makes a note of it and puts it back into the piggy bank before picking the next coin.

Mikes car gets an average of 28 mpg. there are 12 gallons of fuel in mikes car when he starts his trip of 140 miles. about how many gallons are left at the end of his trip?