7. Simplify: (5ab).(-2a2b)3 A. -30a6b4
B. -30a7b4
C.-40a6b4
D. -40a7b4
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Roger could feed 5 walruses with 4 kilograms of fish. how many walruses could he feed with 7.2 kilograms of fish?

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

Two consecutive negative integers have a product of 30. what are the integers?