exam Maths Puzzle Numerical Ability

Please help me with graphing these problems.

I do not understand how to do this.

a y>-2
b y>2x-2
c 4x-6y<12

Thanks

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exam Other Question

insert two geometric means between 6 and 162 I need help with proof

Given: Segement RT is perpendicular to plane P; Segment RK = segment RZ
Prove: Triangle KTZ is isosceles

Picture is a plane with a triangular prism si