The mass of an object on jupiter varies directly with its mass on earth. a rock that weighs 20 lbs on earth would weigh 42 lbs on jupiter. how much would a rock that weighs 10.5 lbs on jupiter weigh on earth? a. 2.1 lbs b. 5 lbs c. 21.2 lbs d. 22.1 lbs

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.