A community center offers yoga classes for $8 per month plus an additional $0.25 per center floor mat used. Write an equation to express this relationship, using m to represent the number of mats used per month and C to represent the total cost in dollars. ​

How to do this , and can some one explain

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?

What’s the range cuz i can’t find it?