The weight w of a lake michigan brown trout varies directly with the cube of its length l. a 25 inch
fish weighs two pounds. write an equation with a constant of variation k that expresses this variation
and use the given data to determine the value of k. also predict the weight of a 38 inch brown trout.

Harold wrote this equation to model the level of water in a pool over time. the variable x represents time in hours. f(x) = 3,500 - 225x which statements about the situation are true? check all that apply. the water level is rising. the water level is falling. the initial level of water in the pool was 3,500 units. the initial level of water in the pool was 225 units. the pool was empty after 14 hours. the water was 2,600 units high after 4 hours.