Answer:
x=8
Step-by-step explanation:
I am pretty sure that x equals 8 because as you can see, it wouldn't make any sense if the answer of x were to equal 7. 15-7=8 which contributes onto making the most sense!
Answer: 
Explanation:
Multiply the outer term 
by each term inside the parenthesis. This is an example of the distributive property. Note that times 10 is equal to 2, because 
.
Answer: they had 500 visitors
Step-by-step explanation:
Based on the information given about the temperature, Daniela made her error on step 3 because it says: "Find the ratio of the differences of the means compared to the mean absolute deviation.
<h3>How to illustrate the error?</h3>
From the information given, it van be seen that Daniela recorded the low temperatures during the school day last week and this week and her results are shown in the table.
Here, she didn't find the difference between the today and last week means. She just put the mean as a whole.
Therefore, Daniela made her error on step 3 because it says: "Find the ratio of the differences of the means compared to the mean absolute deviation. This was the error.
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Answer:
I think B 90
Step-by-step explanation:
Its a right angle
