Hi there! Hopefully this helps!
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<h2>Answer:

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When you multiply two negatives (-, -,), you are gonna get a positive(+)
<em>[Like making a cross out of two lines].</em>

<h2>Since 3(7) normally <u>
equals 21</u>, that would be the answer for this case.</h2>
Answer:
Expression D
Step-by-step explanation:
all other answers are above 15! hope this helps :D
<h3>
Answer: Choice B</h3>
Explanation:
You can use Excel to make the graph, but other free options work just fine. I used LibreOffice to make the graph shown below.
Each point on the line graph represents a frequency for a given time value. The first point being 4 units high, means there were 4 customers at 8:00 AM. Then there were 6 customers at 9:00 AM, meaning the next dot has a height of 6. And so on.
The graph shown below matches with choice B.
Answer: option a its 2
Step-by-step explanation: