you can type 105 words in 2 minutes. your friend can type 210 words in 4 minuets. are these rates proportional ??

What is the approximate value of  x  in the equation below.–3.396–0.7080.3040.955

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.

What is the following sum in simplest form? square root 8 + 3 square root 2 + square root 32