exam Maths Puzzle Numerical Ability

Please Please Please! help me solve this problem
Sketch the graph the feasible region.

x + y ≥ 7
5x + 7y ≥ 42
x≥0
y≥0

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exam Other Question

I really need some help with multiply and divide the radical expression

Square7 (2 square3+ 3 square7)

and

18+square567 over 9
thank you for your help[ Which of he following expressions represents the product of 3 less than twice x and 2 more than quantity 3 times x? Can i have this problem explained to refresh my memory?