book Maths Puzzle Numerical Ability

im lookin for some help with some problems that involve shapes and angles that i can not show on here cuz u can't show shapes or dram grids..im looking for a tutor i can email the

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book Other Question

6/7 = 13/n what is n ? Please help me determine which two equations represent parallel lines
y = -4x + 4
y = 4x + 4
y = 1/4x + 4
y = -4x + 5


Thank you