Acertain drug leaves the bloodstream at a rate of 22% per hour. if you are given an initial dose of 20 mg, how long until there are 10 mg in your bloodstreams? ?

Find the value of tan theta if sin theta = 12/13 and theta is in quadrant 2

When the solutions to each of the two equations below are graphed in the xy-coordinate plane, the graphs of the solutions intersect at two places. write the y-cordninates of the points of intersection in the boxes below in order from smallest to largest. y=2x y=x^2-3

Explain how you can use the associative property to evaluate (7x50)x4.