The concentration of a drug in the bloodstream c ( t ) at any time t , in hours, is described by the equation c ( t ) = 100 t t 2 + 64 where t = 0 corresponds to the time at which the drug was swallowed. determine how long it takes the drug to reach its maximum concentration.

Prior to the mt. st. helens eruption on may 18, 1980, satellite and topographic views of the volcano were captured. based on the topographic map of mt. st. helens, what is the contour interval if the volcano height is 2,950 m? question 9 options: 600 m 400 m 750 m 500 m

Producing disposable grocery bags consumes resources. recycling disposable bags is a solution that can recover some of the resources used to make new bags. which of the following behaviors could further refine the solution? a. disposing of bags by burning them b. reusing bags whenever possible c. using bags at once so that they do not break d. using only nonrenewable materials to make new bags subject is environmental science for apex users

Select the star life cycle that is accurate