exam Maths Puzzle Numerical Ability

find the complex solution of x^2+2=2x

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exam Other Question

Warren has 40 coins (all nickels, dimes, and quarters) worth $4.05. He has 7 more nickels than dimes. How many quarters does Warren have? A rectangle has an area of 17 square meters. Find a function that models its perimeter P in terms of the length x of one of its sides.