Your brother is 1/3 your age. Your sister is 4 years older than your brother. Your sister is 9 yers old. Write and solve an equation to find your age a.

An ulcer medication has 300 milligrams in 2 tablets. how many milligrams are in 3 tablets?

Weekly wages at a certain factory are normally distributed with a mean of $400 and a standard deviation of $50. find the probability that a worker selected at random makes between $450 and $500

Aswimming pool measures 22ft by 12ft and is 4ft deep. if the pool is being filled at 2.5 cubic ft per minute, how long will it take to fill the pool?