exam Maths Puzzle Numerical Ability

Please help me solve by graphing:
3x-y < 2
x + y >2

and

x -2y is less than or equal to 4
x greater than or equal 1

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exam Other Question
Complete the following statement x^2+13x+42=(x+6)( ) given that alternate interior angles are congruent prove that alternate exterior angles are congruent