book Maths Puzzle Numerical Ability

what is the domain of the square root 2x-1 divided by the square root 1-x.

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book Other Question

what does the inequality 2x-4y>-6 look like on a graph? If 2m + 2p = 16, p equals

a) 8 - m
b) 16 - m
c) 16 + 2m
d) 9m