Ahamster wheel has a 7 inch diameter. how many feet will a hamster travel in 100 revolutions of the wheel?

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?

Aculture started with 4,000 bacteria. after 5 hours, it grew to 5,200 bacteria. predict how many bacteria will be present after 19 hours. round your answer to the nearest whole number.

Tom travels between the two mile markers shown and then finds his average speed in miles per hour. select the three equations that represent this situation.