Select the correct answer. James overspent and will need to spend the next six months paying off his credit card bill. This money was supposed to have gone into his investment account, which earns 10 percent annually. What type of cost is this 10 percent? A. opportunity cost B. sunk cost C. variable cost D. credit cost

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step-by-step explanation:

because i said it is

answer: my brother can figure it out, imma go get him so i can answer : ) edit: my brother is sleeping, sorry man

step-by-step explanation:

second option

step-by-step explanation:

the measures of a triangle equal 180. use that to find x.

2x+3x+4x=180

9x=180

9x/9=180/9

x=20

now you know x, you know angle a is 40°, angle b is 60°, angle c is 80°.

because angle a is 40°, the first option doesn't work.

because angle b is 60°, the second option does work.

when you add angle a and b, you get 100°. complementary means it equals 90°, so the third option doesn't work.

when you add angle a and c, you get 120°, which is not 100.