What does n+6 mean as a phrase

What is the solution to the equation in the & show work i’m very

45% of the trees in a park are apple trees. there are 27 apple trees in the park. how many trees are in the park in all?

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.