PLEASE HELP I NEED HELP ANSWER THE THREE QUESTIONS PLEASE I BEG U

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

A3-dimensional figure has a square base and 4 lateral faces that meet at a point. explain the difference between the cross sections when a slice is made perpendicular to the base through the vertex, and when a slice is made perpendicular to the base and not through the vertex

Quadrilateral abcd is translated up and to the right, and then rotated about point q. which congruency statement is correct?