exam
Maths Puzzle
Numerical Ability
Why does y=3 represent a function, but x=3 does not?
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exam Other Question
Add or subtract as indicated. Express your results in simplest form
x^2/ x -3 - 9/ x -3
I need your help again.
In how many ways can three numbers be selected from the set {1,3,4,6,7,8,11} so that the sum of the three numbers is even? In how many ways can three