exam
Maths Puzzle
Numerical Ability
A trench is 180 feet long and 12 feet deep,7 feet wide at the top and 4 feet at the bottom.How many cubic yards of earth have been removed?
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exam Other Question
Find the exact value of: tan(-3π).
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-1/3x+y=1 solve for y
-1/3x+y=1 solve for x