Part b (4 points): katie selected a pair of shoes for the regular price of $120. after the 20% off discount is applied, what will be the discounted cost of the shoes (before tax)? justify your answer using equations, models, and/or words to explain your mathematical reasoning. i need a model and answer. thx. will medal!

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)

Over the course of the school year, you keep track of how much snow falls on a given day and whether it was a snow day. your data indicates that of twenty-one days with less than three inches of snow, five were snow days, while of the eight days with more than three inches of snow, six were snow days. if all you know about a day is that it is snowing, what is the probability that it will be a snow day?

Given the following linear function sketch the graph of the function and find the domain and range. ƒ(x) = -5x + 4