(HELP ASAP) Is the relationship shown by the data linear? If so, model the data with an equation. Is it a, b, c or d?

Solve - pv + 40 < 65 for v solve 7w - 3r = 15 for r

Find the multiplicative inverse of 8-12i

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?