The name of each contestant is written on a separate card, the cards are placed in a bag, and three names are picked from the bag. identify which type of sampling is used and why

For a house call, a veterinarian charges $70, plus $40 an hour. a. write an equation that represents the total fee y y (in dollars) the veterinarian charges for a visit lasting x x hours. equation: y= y= no response given b. find the x-intercept. x-intercept: