exam
Maths Puzzle
Numerical Ability
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.
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exam Other Question
Find cos(a), given that sin(a) = 0 and cos(a) < 0.
Find all positive values for k for which each of the following can be factored.
x squared +x-k