exam Maths Puzzle Numerical Ability

Factor 4x2 - 20x + 25

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exam Other Question

A worker charges $30 for a 2 hour job. He charges $94 for a 4 hour job. How much would he charge for an 8 hour job? Evaluate

-c2nd power - 5(c 0 power + d)2nd power if c = -3 and d = 4