exam Maths Puzzle Numerical Ability

Factor out completely
8x^3y^6+27

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exam Other Question

Two positive numbers are in the ratio of 5:12. If their product is 960, what is the positive difference between the two numbers? Find the x and y intercepts of 8x-8y=-9
Choices are:

x=9/8 y=-9/8

x=8/9 y=-8/9

x=-8/9 y=8/9

x=-9/8 y= 9/8