. Visitors are allowed to enter a Holiday Exhibit at the rate of 6 per minute. Assuming this is a popular exhibit with long waiting lines, how many visitors entered the Holiday Exhibit: During its first hour after opening? ___________________________________________ Between 11:00 a.m. and 11:12 a.m.? __________________________________________ Between 11:30 a.m. and 1:30 P.m.? ___________________________________________ During an arbitrary 20-minute period? ______________________________________ 4. Passengers pass through a security check-point at the rate of 3 every 5 minutes. Assuming there is a long of passengers waiting to get through the check point, how many passengers will make it through the check-point: During its first hour after opening? ___________________________________________ Between 11:00 a.m. and 11:12 a.m.? __________________________________________ Between 11:30 a.m. and 1:30 P.m.? ___________________________________________ During an arbitrary 20-minute period? ______________________________________

5. Find the slope of the line containing the points (3, 8) and (10, 5). _________________________________________________________________________________ 6. Find the slope of the line containing the points (7, 12) and (-6, 12). _________________________________________________________________________________ 7. Find the slope of the line containing the points (6, -5) and (6, 8). __________________________________________________________________________________ 8. Find the y-intercept of the line containing the points (2, 9) and (-3, -3). __________________________________________________________________________________ 9. Find the y-intercept of the line containing the points (5, 9) and (13, 9). __________________________________________________________________________________ 10. Find the y-intercept of the line containing the points (17, -4) and (17, 9). __________________________________________________________________________________ 11. Find the equation of the line containing the points (-3, -10) and (7, 21). ___________________________________________________________________________________ 12. Find the equation of the line containing the points (7, 12) and (-6, 12). ___________________________________________________________________________________ 13. Find the equation of the line containing the points (8, -3) and (8, -20). ___________________________________________________________________________________ 14. Describe a real-world situation that can be modeled by a linear equation. ___________________________________________________________________________________ _________________________________________________________________________________