Katie fell and hurt her wrist. The doctor gave her a pain killer to help. Katie's body will break down 12% of the medicine every 3 hours. How much of a 500-mg dose will be left in Katie's body after 18 hours? Round to 3 decimal places.

Which unit of measure would be the most appropriate to measure the capacity of a bottle of nail polish? a.fluid ounces b.cups c.pints d.quarts e.gallons

1. a right triangle is graphed on a coordinate plane. find the length of the hypotenuse. round your answer to the nearest tenth. 2. use the angle relationship in the figure below to solve for the value of x. assume that lines a and b are parallel and line c is a transversal.

Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15