Arianna models the solution 0.42-0.03 by shading in blank each of the parts she is subtracting from 0.42. which models the solution?

Complete the truth table a. t, f, f, t b. t f f f c. f t f t d f t f t

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

Can any one me with the answers to these questions asap?