Cómo podemos saber qué tanto crece la granja mes con mes

(note i put the graph in so plz )the graph shows the amount of water that remains in a barrel after it begins to leak. the variable x represents the number of days that have passed since the barrel was filled, and y represents the number of gallons of water that remain in the barrel. what is the slope of the line

60 musicians applied for a job at a music school. 14 of the musicians play both guitar and drums. what is the probability that the applicant who gets the job plays drums or guitar?

Awindow washer cleans 42 windows in 2 hours. at this rate, how many windows did he clean in 180 minutes.