Answer:
1. 1 Calorie Per Minute
2. 5/20 (Simplified = 1/4)
Really Hope This Helps :D
Step One: Identify two points on the line.
Step Two: Select one to be (x1, y1) and the other to be (x2, y2).
Step Three: Use the slope equation to calculate slope.
(Equation For Step Three is y=mx+b where m is the slope and b is the y-intercept.
Enjoy :D