What is the gcf of 24,40,56

Apatient is given 50 mg dose of medicine the medicines effectiveness decreases every hour at a constant rate of 40% what is the exponential decay function that models this scenario how much medicine will be left in the patients system after 2 hours

52 cm radius = diameter = area = circumference = circumfer

Cd is the perpendicular bisector of both xy and st, and cy=20. find xy.