Use a common denominator to find -1¼+(-⅜).

Ihave trouble finding the nth term of a linear sequence

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?

Micheal is 4 times as old as brandon and is also 27 years older than brandon. how old is micheal