A saline solution has a concentration ratio of 2.5 milligrams of salt in 100 milliliters of solution. How many milligrams of salt will be needed to produce 500 milliliters of a saline solution having this same concentration

You drop a rubber ball off the roof of a 50 meter high building onto a paved parking lot. it bounces back up with every bounce, but not quite all the way back up to you. after the first bounce it bounces back only 80 percent of the distance it was dropped from. the pattern continues, meaning after every bounce it comes up to just 80 percent of the previous maximum height. so if before the first bounce the height is 50 meters, what height does the ball reach after the fifth bounce? round your answer to one decimal place and chose the correct response from the choices below:

Atriangle with all sides of equal length is a/an triangle. a. right b. scalene c. equilateral d. isosceles

Astore ordered 750 candles a total wholesale cost of $7910.20. the soy candles cosy $12.17 each and thespecialty candles cost $9.58each. how many of each were bought?