Use the lists of factors to answer the question. factors of 9: 1, 3, 9 factors of 15: 1, 3, 5, 15 factors of 21: 1, 3, 7, 21 factors of 40: 1, 2, 4, 5

Elena and her husband marc both drive to work. elena's car has a current mileage (total distance driven) of 15,000 and she drives 23,000 miles more each year. marc's car has a current mileage of 46,000 and he drives 9,000 miles more each year. will the mileages for the two cars ever be equal? explain.

Math i have no idea how to do a and b

At school 460 of the students walk to school the number of students who take public transit is 20% of the number of students who walk. how many students take public transit