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Table which ratio is equivalent to 3: 7? 6: 7 3: 21 24: 56 15: 30

Which image (a’ b’ c’ d’) of abcd cannot he produced using only reflections ?

Which statement is true about the extreme value of the given quadratic equation? a. the equation has a maximum value with a y-coordinate of -21. b. the equation has a maximum value with a y-coordinate of -27. c. the equation has a minimum value with a y-coordinate of -21. d. the equation has a minimum value with a y-coordinate of -27.