Ms. hill drove 21 miles to denver, 16 miles to cedar, and 37 miles to her home. how far did ms. hill travel?

Ineed someone to me answer my question i have to have this done and knocked out

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.

Ihonestly have no clue if it's each or none.