D) (4 radical din 2 - radical din 2 ) × radical 2 + radical 2 × radical 18
e) radical 3 × (2 radical din 5 + 3 radical din 5) - radical 5 × ( radical 3 + 2 radical din 3)

What is the measure of angle 1? a.28 b.152 c.168 d.64

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

Acentral angle measuring 160 degrees intercepts an arc in a circle whose radius is 4. what is the length of the arc the circle formed by this central angle? round the length of the arc to the nearest hundredth of a unit. a) 4.19 units b) 6.28 units c) 12.57 units d) 12.57 square units