exam
Maths Puzzle
Numerical Ability
Find the precision measurement for 3.75 meters and explain its meaning.
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exam Other Question
How do you simplify this fraction?
10x^2 - 30x + 20
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x^2 - 1
The lines described by 3x-y=17, 2x+5y=17, x+2y=a+b, and x-y=3b-5a all pass through the same point. What is the ratio of a to b?