Match the term with the definition. cone

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?

If t8 = 4 and t12 = −2, find the first three terms of the arithmetic sequence.

How much is $1200 worth at the end of1 year,if the interest rate is 5.5% is compounded quarterly.