book Maths Puzzle Numerical Ability

in how many sets does an angle seperate a plane?

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book Other Question

what is the anwser to this equation ?

3x-2=-5
Can anyone help me graph each system of inequalities please?


#30) y < - x
y > -3


# 39) x + y < 5
x – y > -1




# 40) 2x – y > 4
x – 5y < 5