book Maths Puzzle Numerical Ability

I am having trouble with these problems:
1. If (x,y) is in quadrant 2, where is the point ((-1)^36x, (-1)^49y)?

2. Simplify the expression -5x^0 +7

3. What is the factor of

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book Other Question

evaluate:
3log^84
i need to know a bout co-ordinates but it dousnt say it on the choises
so can you answer this question on wher the origin is on a co-ordinate graph.