exam Maths Puzzle Numerical Ability

Which of these ordered pairs is a solution for the equation 3x-2y=6?
(a)(0,-3)
(b)(0,3)
(c)(-2,0)
(d)(-2,-3)

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exam Other Question

Use square roots or factoring to solve each equation.

(8y^2)+(5y)=(2y^2)+(4)
I am stuck on correct answer for:

square root of 48 - sq. root of 12 =


I am not using a specific book. I am just practicing...