Don bought three boxes of cereal at the grocery store. his mom bought two more boxes at the same price on her way from work. if the total cost of the cereal was $15, how much did each box cost?

Little’s law firm has just one lawyer. customers arrive randomly at an average rate of 6 per 8 hour workday. service times have a mean of 50 minutes and a standard deviation of 20 minutes. how long does a customer spend at little’s law firm on average?

Guys i really need or i have to stay late up night

Aball is dropped from a height of 10m above the ground. it bounce to 90% of its previous height on each bounce. what is the approximate height that the ball bounce to the fourth bounce?