(Giving Brailniest) What is 18x+20

How many liters of peroxide should be added to 12 liters of an 8% peroxide solution so that the resulting solution contains 16% peroxide?   original added new amount of peroxide 0.96 liters x 0.96 + x amount of solution 12 liters x 12 + x 0.18 liter 1.14 liters 1.92 liters 2.10 liters

Write the slope intercept equation for line ab.

Simplify the given expression leaving the answer in improper fraction form. 2/3+5/6