Cory, Amanda, and Bryan together need a total of 9 days to finish painting the house. Amanda and Bryan together need 12 days to finish painting. How many days will it take for Cory to paint the house alone?

Someone . me. compound probability

Players on the school soccer team are selling candles to raise money for an upcoming trip. each player has 24 candles to sell. if a player sells 4 candles a profit of$30 is made. if he sells 12 candles a profit of $70 is made. determine an equation to model his situation?

The weight of an object in the water is 7% of its weight out of the water. what is the weight of a 652g object in the water?