exam Maths Puzzle Numerical Ability




4x+y=-9 4x+2y=-10

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exam Other Question
A rectangular trench is to be dug which is to be 300 ft long, 36 ft wide and 10 ft deep. A large dump truck can carry 20 cubic yards in a load. How many truck loads will be required to remove the dirt from this trench? I would apprecaite some help with :

Simplify

5^5 times the square root of -32