Answer:
a
Step-by-step explanation:
Answer:
1000
Step-by-step explanation:
bc i dont know thats why hope it helped
Answer:

Step-by-step explanation:
Given that:
Speed of Wilmer up the hill =
km/min
Time taken up the hill =
minutes
Speed of Wilmer down the hill =
km/min
Time taken up the hill =
minutes
Distance can be calculated by multiplying the Speed with Time i.e.
The formula for distance is given as:

Distance up the hill = 
Distance down the hill = 
It is well known that, the distance up the hill and down the hill will be same.
Putting both the values equal, we get:

Answer:
If point C lies between two points A and B such that AC=BC, then point C is the bisector of A and B, that means it is at right the centre.