exam Maths Puzzle Numerical Ability

I need help with the following problems:

Factor:
6a^2b^3-3a^2b

Solve:
(3x^2y^3)^2 / xy

Solve:
3x-2=2y and y=3z+5
what is equal to x

Solve:
Distance between the poi

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exam Other Question

an angle of x degree has property that its complement is equal to 1/6 of its supplement. State whether each sequence is a geometric sequence. If so, state the common ration and list the next three terms.

24, 12, 6, 3, .....