<span>C = total calories burned
r = rate of burning calories = 420 calories burned/hour
t = time in hours
C = 420 * t
</span>
Answer:
y = 4x + 2
Step-by-step explanation:
y = mx + b
m is the slope
b is the y-intercept
(2,2)
(x1+x2)/2, (y1-y2)/2
(-2+6)/2=(2)
(-2+6)/2=2
