Answer:
Step-by-step explanation:
We have to find a leg, so we have to use the Pythagorean theorem in this way:

Answer:
-7
Step-by-step explanation:
-13-(-6)
-13+6
-7
Answer:
B ; Point B
Step-by-step explanation:
Answer:
45km
Step-by-step explanation:
Given data
Average Speed= 15km/h
Time = 3 hours
Required
The distance traveled
Speed= distance/time
Distance= speed*time
Distance= 15*3
Distance= 45km
Hence the lower bound of the distance is 45km