A rectangular prism has a length of 9 in., a width of 4 in., and a height of 1/2 cubes are needed to fill the rectangular prism? Enter your answer in t To fill the rectangular prism, cubes are needehe box.

Lin is writing an equation to model the proportional relationship between y, the total cost in dollars of downloading videos from a website, and x, the number of videos downloaded. she knows that the total cost to download 3 videos was $12. her work to find the equation is shown below. joylin’s work step 1 k= 3/12= 0.25 step 2 y= 0.25x where did joylin make her first error?