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Q63: Evaluate the function at the indicated value
Q86: Find the Eccentricity of the conic.
Q138: Perform the indicated operation using the standard
Q146: Eliminate the parameter and write the corresponding
Q176: Perform the operation and write the result
Q207: Perform the operation and leave the result
Q394: Select the graph of the equation as
Q438: Find the standard form of the equation
Q513: Find the center, vertices and foci of
Q529: The Roman Coliseum is an elliptical amphitheater