Answer:

Step by step explanation:


Im pretty sure you put the wrong picture. The slope isn't negative and there is no point O,A, or B.
Answer:
Step-by-step explanation:
y = -14, m = -2, b = -2
-14 = -2(x) + -2
-14 = -2x + -2
-12 = -2x
Divide by -2.
x = 6
Answer:
11 km/hr.
Step-by-step explanation:
Given information:
Simulated speed = 20/km/h
Time = 15 mins = 1/4 hr = 0.25 hr
Distance Covered as per simulated speed = 
Position of Julian according to the app =
.
Actual distance covered by the bike is

Formula for speed:



Therefore, the average speed of Julian is 11 km/hr.