La siguiente tabla muestra los deportes favoritos de 872 estudiantes de la UNAM

(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

Answer this question only if you know the answer! 30 points and

Simplify a7/a4 a) 1/a3 b)-a/a2 c)a4/a3 d)a3