Answer:
The difference is 5/12.
Step-by-step explanation:
Answer: 2 hours
Step-by-step explanation: Divide 175 (distance traveled) by 3.5 (time traveled). The answer is 50 (km per hr). Divide 100 (km) by 50 (km per hr). The answer is 2 hours.
Answer:I'm pretty sure that the answer is point k
Step-by-step explanation:

centre: (0,0)
Radius: square root of 30
Answer:
Diameter is basically double the radius, a physical representation of it is a full line that goes across the middle of the circle, if that makes sense. So you do 2 x 2 = 4 units
Hope that answers your question