Alexis's Extreme Sports hires hang-gliding instructors and pays them a fee of $19 per class as well as $13 per student in the class. 1. Find an equation that expresses the amount Alexis pays in terms of the number of students in the class. y = 2. What is the y-intercept? Interpret it. y-intercept (z, y) =( If there are students in the class, Alexis still pays the class instructor $ 3. What is the slope? Interpret it. Slope: The line has a(n) [Select an answer v ] direction, going from left to right. The greater the number of students in a class, the less Alexis pays the class instructor. The fewer the number of students in a class, the more Alexis pays the class instructor. The greater the number of students in a class, the more Alexis pays the class instructor. O The fewer the number of students in a class, the less Alexis pays the class instructor 4. How much will Alexis pay an instructor to teach a class of 2 students