At Chesak Elementary School, 2 out of 3 students have brown eyes. Approximately how many students have brown eyes if the building has 432 students?
A. 144 students
B. 216 students
C. 288 students
D. 324 students

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.

Standard deviation of 19,29,21,22,23

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?