exam Maths Puzzle Numerical Ability

Evaluate for
(2 � 3 + 2)2

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exam Other Question

how to write a power as a product of the same factor? When x number of units are sold, the price of each unit (in dollars) is given by p= x/2 + 75

Find the unit price when the following quantities are sold: 2, 7, 9, 11.