What is the volume of the figure? Enter the answer in the Box. In cubic centimeters

When a rectangle is dilated, how do the perimeter and area of the rectangle change?

Just tell me how to set up the equation.

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?