
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.
Answer: 17
Step-by-step explanation:
If there are 5 cows and they add 12 then there are 17 cows in total
12+5=17
I guess that it would be A because people working in the largest corporation might have differing opinions from people who do not work in big companies/corporations. There's different benefits that people can receive based on their working place. Perhaps the people working in the largest corporation might only represent the upperclass but there's also others who do not work in the corporations and might not have the benefits that one can receive if they have a good pay as the upperclass.
Set ? as x, and cross-multiply.
so x^2= 36
x = 6 or x = -6