exam
Maths Puzzle
Numerical Ability
If the probability that an identified hurricane will make a direct hit on a certain stretch of beach is 0.20, what are the odds against a direct hit?
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exam Other Question
Simplify the following, assume a,x and y are not zero.
-x^2y/ (-x^2)^2y^2
I totally didnt understand this problem.
x^2-x-6 divide x^2-4