Does this set of ordered pairs represent a function? why or why not? {(–1, 5), (0,-3), (2,7), (4,0), (7, 5)}

Is fgh ~ jkl? if so, identify the similarity postulate or theorem that applies.

Aline passes through 3,7 and 6,9 what equation represents the line

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?