4 km = 4000 meters
7000 meters = 7 km
therefore julia ran further.
hope this helps you
Answer:
18
Step-by-step explanation:
When dilating a segment by a scale factor, we multiply the original length by the scale factor to find the length.
2*9 = 18
Step-by-step explanation:
<em>Check the attached file for solution and </em>
<em>simulation screen shot</em>
R-Code:
Sample mean
sd = 60 Population Standard deviation
n = 10 Sample size
conf.level = 0.99 Confidence level



