<span>how do you identify the indicated elements for example
a32
A=
3 12 6
1 0 9
8 7 4
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a32 means the element in the 3rd row and 2nd column
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a32 = 7</span>
Answer:
-51
Step-by-step explanation:
Change some positives to negetives and simply add and subtract.
The number of computers increased by 38.9%
Step-by-step explanation:
Number of computers at start of week = Old value = 18
Number of computers by end of week = New value = 25
Change = New value - Old value
Change = 25-18 = +7
The positive sign indicates the increase.
Increase percent = 

Rounding off to nearest tenth
Increase percent = 38.9%
The number of computers increased by 38.9%
Keywords: difference, percentage
Learn more about percentages at:
#LearnwithBrainly
3/5 is the correct answer for sin s