Is the point (1,-3) a solution to the system? Show all work.

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Brian, chris, and damien took a math test that had 20 questions. the number of questions brian got right is 14 more than the number of questions chris got right. damien correctly answered 2 less than the number of questions chris answered correctly. if brian and damien have the same score, which statement is true?

When the ball has traveled a distance of

If the discriminant if a quadratic equation is 4 which statement describes the roots?