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    In rectangular coordinates x = -5.23 and in polar coordinates theta = 128.4o. What is the radial distance from the origin in polar coordinates? r =

    ?

    In rectangular coordinates x = -10.31 and in polar coordinates theta = 128.6o. What is the radial distance from the origin in polar coordinates? r =

    ?

    In rectangular coordinates x = 30.8 and in polar coordinates theta = 296.6o. What is the radial distance from the origin in polar coordinates? r =

    ?

    In rectangular coordinates x = 0.4177 and in polar coordinates theta = 78.9o. What is the radial distance from the origin in polar coordinates? r =

    ?

    In rectangular coordinates x = 57.79 and in polar coordinates theta = 22o. What is the radial distance from the origin in polar coordinates? r =

    ?

    In rectangular coordinates x = 25.68 and in polar coordinates theta = 68.5o. What is the radial distance from the origin in polar coordinates? r =

    ?