exam Maths Puzzle Numerical Ability

Solve using the quadratic formula:
25x2+30x+9=0

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exam Other Question

What is the coordinates of the image of the point at (-3,-5)after a reflection over the y-axis? In a chemistry class, 12L of a 12% alcohol solution must be mixed with a 20% solution to get a 14% solution. How many liters of the 20% solution are needed?

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