exam Maths Puzzle Numerical Ability

between any two real numbers there is another real number. What is it called??

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exam Other Question

1)Graph f(x)=(x^2 - 4)/(x - 2) using a graphing calculator. Using a standard window with the trace feature, trace the graph to x=2. What happens?

Why is there a "break" in the
I am stuck on correct answer for:

3 over 2 - 5 over 6 =

I believe answer is 2 over 3 but I need to verify my work. Can you show me the breakdown to get correct resolve?