Mark talked on his cell phone 3 hours over the weekend. genaro talked on his phone 1 9/10 hours. how much longer did mark talk on his phone than genaro?

(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

Evaluate the expression. (9 + 5)(3 + 2)0

Which of the following best describes the delian problem?