A chemist needs to mix a 12% acid solution with a 32% acid solution to obtain an 8‐liters mixture consisting of 20% acid. How many liters of each of
the acid solutions must be used?

Paint color preference children adults total 0.6 0.77 liked new paint color disliked new paint color 0.4 0.15 0.23 total 1.0 1.0 1.0 which value for x completes the conditional relative frequency table by column?

Which of the following is the graph of y= square root -x-3

If x varies directly as y, and x = 7.5 when y = 10, find x when y = 4