Which could be the resulting equations when Andre elimates one of the variables?

The diameter of a table is 5 feet. what is the circumference

What is the solution to the equation in the & show work i’m very

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?