Find the surface area of the net shown. 5 mm
6 mm
4 mm
6 mm:
5 mm
A 138 mm2
B 120 mm2
C 26 mm
D. 144 mm

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