exam Maths Puzzle Numerical Ability

Solve the following of linear equatins by graphing

x+2y<3
2x-3y<6

Please help

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exam Other Question

Solve by substitution. Please help.
8x-4y = 16
y = 2x -4
Thanks in advance. Simplify:
√[49x^12y^4z^8]

Thanks for helping out!