exam Maths Puzzle Numerical Ability

Find cos(a), given that sin(a) = 0 and cos(a) < 0.

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exam Other Question

Write the equation of the line that passes through (-2,5) and (7,10) An employee who produces x units per hour earns an hourly wage of y = 0.80x + 11 (in dollars). Find the hourly wage for an employee who produces 19 units per hour.