THIS QUESTION FOR MODERATOR

-23+(23-11)×(55-76-)

An equation where variables are used to represent known values—function notation true or false

The fraction 7/9 is equivalent to a percent that is greater than 100%. truefalse

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?