2. Describe each roster using set-builder notation. a) | {... -3, -2, -1} b) | {1.0, 1.1, 1.2, 1.3} c) {3,4}​

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?

Elizabeth is using a sample to study american alligators. she plots the lengths of their tails against their total lengths to find the relationship between the two attributes. which point is an outlier in this data set?

Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'