exam Maths Puzzle Numerical Ability

Please help.
An employee who produces x units per hour earns an hourly wage of y = 0.45x + 11 (in dollars). Find the hourly wage for an employee who produces 14 units per hour.
A) $17.30
B) $17.80
C) $17.00
D) $17.70

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Write an equation of a line passing thru (-4,2) perpendicular to -6x+5y=16
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