According to the table below, what is the probability that the grade of a student chosen at random will be a b or higher? grade a b c d f probability 8/25 7/25 6/25 3/25 1/25 options: a.3/5 b.1/5 c.4/5 d.2/5

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?