Darla plans to drive to the market 14 miles from her house , then to the post office 3 miles from the market , and then return home which is 15 miles from the post office. Assuming she drives at a constant speed the entire time how long will it take her to run her errands and get back home round your answer to the hundredths place

Is this a polynomial function? i need to know asap

The serenity and the mystic are sail boats. the serenity and the mystic start at the same point and travel away from each other in opposite directions. the serenity travels at 16 mph and the mystic travels at 19 mph. how far apart will they be in 3 hours?

Asix-sided die of unknown bias is rolled 20 times, and the number 3 comes up 6 times. in the next three rounds (the die is rolled 20 times in each round), the number 3 comes up 6 times, 5 times, and 7 times. the experimental probability of rolling a 3 is 10 %, which is approximately % more than its theoretical probability. (round off your answers to the nearest integer.)