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  1. C

    MATH: Find Price of Book and Magazine?

    At Gwen's garage sale, all books were one price, and all magazines were another price. Harriet bought four books and three magazines for $1.45, and June bought two books and five magazines for $1.25. What was the price of a book and what was the price of a magazine?
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    Is Pluto A Planet...ASTRONOMY?

    Is Pluto a planet? If not, in simple words, why not?
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    Are You A Part-time Tutor?

    Are you a tutor? If so, how did you find your tutor job? What made you decide to tutor? Is your job extra income? How can I get a part-time tutor job to cover a few days during the week?
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    What About Astronomy & Space?

    What do you like mostly about astronomy?
  5. C

    What About Astronomy & Space?

    What do you like mostly about astronomy?
  6. C

    Angle of Elevation of Observer?

    What must be the elevation of an observer in order that he may be able to see an object on the earth thirty miles away? Assume the earth to be a smooth sphere. [Assume the earth is a sphere of radius 3956 miles.]
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