Find the sum of the geometric series in which a=2, r=3, and tn = 486.

How do you find principle and simple interest

Which table shows a proportional relationship between miles traveled and gas used?

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?