Fresh and invigorated after completing her algebra homework, Nicole appeared at the living room door. She had a piece of paper covered in scribbled numbers, m's, d's, and equations. "Dad," she announced. "Five years from now you'll be only double my "Amazing!" Dad almost looked up from the TV but knew she hadn't finished. "But five years ago, you were triple age then!" "I suppose in another ten years we'll be the same age," Dad grunted changing channels. How old is Nicole?

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.