The temperature at a mountain cabin on Saturday morning measured-12 degrees Fahrenheit. The temperature decreased another 8 degrees Saturday night. In degrees Fahrenheit, what was the temperature at the cabin Saturday night?

F -20 G -12 H 12 J -4

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.