-g+2(3+g)=-4(g+1) answer please?

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

Urgent? will give brainliest to the first correct answer what is the area of the figure?

Find the area between y=e^x and y=e^2x over [0,1]