Answer:
The first question- 2-1.8 centimters, just subtract 49.2 from 51
The second question-2-1.052 meters, just divide
The thirs question-3-115, just divide
Answer:
100 degrees
Step-by-step explanation:
Answer: 2 week and 2 days
Step-by-step explanation:
Given
Melody spent 16 days in South America
A week consists of 7 days
In 2 weeks it is, 14 days
So, 16 days is equivalent to 2 weeks and 2 days
Melody spent 2 weeks and 2 days in South America

The equation of a elipse:

The length of the major axis is equal 2a if a > b or 2b if b > a.
We have

therefore the length of the major axis is equal 2 · 7 = 14.