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Q13: Find the coefficient a of the
Q22: Write the equation of the circle graphed
Q35: A semielliptical arch over a tunnel
Q53: Graph the hyperbola. <span
Q94: Write the first five terms of the
Q111: Eliminate the parameter and write the
Q231: Convert the rectangular equation to polar
Q340: Find the sum using the formulas
Q371: Convert the polar equation to rectangular
Q413: Select the polar equation of the