book Maths Puzzle Numerical Ability

I'm supposed to graph 2y-4x<8 but dont know how to find the x and y points.

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book Other Question

If sin x is not equal to zero, what is the solution of csc x - (cos x)(cot x)?

What is the answer to sin (x - pi)? Christy spent $500 over her budget on gifts during the holidays. In addition to her regular job, she took a part time job at the Pharamacy that paid $10 per hour. Her schdule would