At the beginning of the day, stock xyz opened at $3.15. at the end of the day, it closed at $2.87. what is the rate of change of stock xyz?

-8.9%

Step-by-step explanation:

The rate of change is - 8.89 %.

Step-by-step explanation:

Given,

The opening price = $ 3.15,

While closing price = $ 2.87,

Now,

1)is not similar since corresponding sides are not in the same ratio

2)are similar since corresponding sides are in the same ratio and corresponding angles are equal

hope it will

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