exam Maths Puzzle Numerical Ability

How do I solve: (square root -6) - (square root -2)?

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exam Other Question

This linear is not making sense to me.

Solve the following system of the linear inequalites by graphing.

x - 2 y equal to or greater than 4

x equal to or greater than 4 find the x intercepts

y=x^2-2x+4