An investing firm wants to diversify their portfolio and is considering purchasing stock in a recording company. For the past 4 months, the company has experienced increases in its revenue growth rate as follows: 1.6%, -2.1%, 1.9% and 1.1%. What is the average rate of revenue growth? Round your answer to four decimals.

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.