exam Maths Puzzle Numerical Ability

If log a ≈ 0.250, then log a2 ≈
a. 0.125
b. 0.500
c. 0.017
d. 1.189

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exam Other Question

I need an equation of a line passing through (6,-10) and ( 6,-6) Factor the following expressions completely:

a: x^2-2x-24
b: 2x^2y-32y