exam Maths Puzzle Numerical Ability

Rewrite the equation y = print_coeff(m,1)x print_const(b) as a function of x.

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exam Other Question

Please help! This has me stumped. I think this is a logarithm problem.
Find the integer k such that 270k is a perfect square. I am trying understand this one problem

x-y when x is twice y and x =12
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