Find the vertex (h, k) of the parabola with the equation π¦ = 2x^2 - 3x + 5. Determine whether it opens upwards or downwards and state its axis of symmetry using the formula h = -b/2a. (
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Question: Convert 0.000087 to scientific notation.
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What is the result of adding the vectors u=(-3, 5) and v=(8, -4)?