There are 22 fourth graders at the carnival. There are 4 times as many fifth graders as fourth graders and 3 times as many sixth graders as fourth graders at the school carnival. How many 4,5, and 6 students are there in all? What ratio describes the relationship of forth graders to fifth graders to sixth graders?

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.