exam Maths Puzzle Numerical Ability

Solve the following system of linear inequalities by graphing.
x � 2y > 4
x < 4

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exam Other Question

Solve the equations. Check for extraneous solutions.

2(x+2)^1/3=6 This test is very difficult and any help would be so very much appriciated, please reply asap. The problem is:

Please Simplify
3-5i
2+7i