Hey, someone can help me with this assignment. I have to solve for the missing side length of each right triangle.
Please, help me!

The final cost of a sale is determined by multiplying the price on the tag by 75%. which best describes the function that represents the situation?

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?

This is about circle theorems. someone asap : (