X+1/x is the plynomial of how many degrees

Aiden drives to school and back each day. the school is 16 miles from his home. he averages 40 miles per hour on his way to school. if his trip takes 1 hour, at approximately what speed does aiden drive home?

If a baby uses 15 diapers in 2 days how many diapers will the baby use in a year

Julie was able to walk 16 km through the zoo in 6 hours. how long will it take her to walk 24 km through the zoo?