The ratio of the number of adults to the students at the prom has to be 1: 10 last year there were 477 more students than adults at the prom. if the school is expecting the same attendance this year , how many adults have to attend prom ?

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?

Rationalize the denominator- 12x/√x-10

In order to be invited to tutoring or extension activities a students performance 20 point higher or lower than average for the