Can someone just answer this asap for !

Olivia uses the work below to determine 55% of 720 which explains the error in olivia’s solution

Consider circle h with a 3 centimeter radius. if the length of minor arc what is the measure of zrst?

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?