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Maths Puzzle
Numerical Ability
Perform all indicated operations and write each answer with positive intgers exponents.
-1
(m + n)
____________
-2 -2
m - n
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book Other Question
Use Cramers rule to solve the equation
4x+8y=12
3x+6y=9
An Airplane leaves Los Angeles for Denver at a speed of 410 mph. Thirty minutes later, a plane going from Denver to Los Angeles leaves Denver, which is 850 miles from Los Angeles,