book Maths Puzzle Numerical Ability

factor this polynomial 2z^2-196c^2

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book Other Question

Solve each problem by using a quadratic inequality.
Profitable fruitcakes. Sharon's revenue R (in dollars) on the sale of x fruitcakes is determined by the formula R = 50x - x^2. does the formula for finding the perimeter of a triangle differ for different types of triangle?