A teacher gave a quiz to her class of 30 students. However, after collecting the quizzes, she misplaced one of them. Prior to misplacing the test, the teacher calculated the mean of the 30 quizzes to be μ = 68 points. The teacher calculates the mean of the remaining 29 quizzes to be μ = 67 points. What is the score of the missing quiz?

The height of a birch tree, f(x), in inches, after x months is shown in the graph below. how much does the birch tree grow per month, and what will be the height of the birch tree after 10 months? a. the birch tree grows 1 inch per month. the height of the birch tree will be 16 inches after 10 months. b. the birch tree grows 2 inches per month. the height of the birch tree will be 26 inches after 10 months. c. the birch tree grows 3 inches per month. the height of the birch tree will be 36 inches after 10 months. d. the birch tree grows 2 inches per month. the height of the birch tree will be 24 inches after 10 months.