Lisa is choosing between three alternatives:
a. working on her job that pays 60 dollars;
b. writing a term paper which she values at 40 dollars; or
c. going out with a friend, which she values at 80 dollars. the opportunity cost of writing the term paper is:

The correct answer is:  $100 (dollars).

Explanation:

Opportunity cost is what a person sacrifices when they choose one option over others. It represents the difference between the choice that was taken and the options that were left on the table. Its formula is:

Opportunity Cost = FO - CO

In the case, if Lisa chooses to write the term paper:

So, the opportunity cost of writing the term paper is $100.

start by isolating the variable on one side by adding 43w^2 to both sides.   the equation will read:

25w^2+5=0

*subtract 5 from both sides*

25w^2=-5

*divide both sides by 25*

w^2=-1/5

*take the square root of both sides*

w=√(-1/5)

the square root of -1 is i.   the square root of 5 remains √5

the answer is i/√5.

hope this

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