book Maths Puzzle Numerical Ability

Subtract the lower polynomial from the upper one.

1) 6x+9
-2x+4
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2) 2x2y-5xy2+2
-x2y+2xy2+2
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book Other Question

Passes through (8,3) is perpandicular to y=4x+11

a) y=-4x+35
b) y=4x-29
c) y=-1/4x+5
d) y=1/4x+1
Which property of the real numbers is illustrated by the following statement?

7 · 3 = 3 · 7