exam
Maths Puzzle
Numerical Ability
What is -9 - the square root of 108 over 3 equal?
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exam Other Question
A patrol plane flies 220 miles per hour in still air. It carries fuel for 4 hours of safe flying. If it takes off on patrol against a wind of 20 miles per hour, how far can it fly and return safely?
i having trouble figuring out how to get the LCD and converting each expression to an equivalent expression with the LCD the denominator for---
6x/y^2 and 3/xy^2z^4