What investment results in the greatest total amount?

Solve the equation -9p - 17 =10 a -3 b. 16 c. 18 d -16

What are different types of statistical programs

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?