At the beginning of the day, stock XYZ opened at $8.18. At the end of the day, it closed at $6.88. What is the rate of change of stock XYZ?
A. -15.9%
B. 2.1%
C. -0.16%
D. 12.4%

-15.9%

Step-by-step explanation:

Opening stock = $8.18

Closing stock = $6.88

Loss = $1.30

Rate = - loss/opening stock × 100

= - 1.39/8.18 × 100

= - 15.9%

a

step-by-step explanation:

when a number is between two straight lines it means the absolute value.

to find absolute value you need to know how many numbers is that number away from 0.

when finding absolute value the number will always come out positive

so absolute value of -3 is 3

absolute value of 3/2 is 3/2

absolute value of -2 is 2

absolute value of 3.5 is 3.5

absolute value of -1 is 1

now put these numbers in order:

a)   |-1|, |3/2|, |-2|, |-3|, |3.5|

answer: 0.64

step-by-step explanation: