exam Maths Puzzle Numerical Ability

Y varies directly as X. When X is 33, Y is 165. Find Y, when X is 14.

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PLEASE HELP I"M STUCK!!!

Write an equation of the line in slope intercept form with slope 1/3 that crosses the y axxis at (0,-2) a) Solve 2x^2=6 (my solution is x=sqrt3, -sqrt3.
b) Find the x-intercepts of f(x)=2x^2-6