The liter is the basic unit of weight in the metirc system?

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?

Which of these tools or constructions is used to inscribe a hexagon inside a circle?

What ia the sum if the first 7 terms of the geometric series