Answer:
<h3>23</h3>
<u>Data is:</u>
<u>Mean:</u>
<u>Standard deviation:</u>
- σ =

Correct choice is d
<h3>24</h3>
<u>Data is:</u>
- -5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5
<u>Mean:</u>
- (-5 -4 - 3 - 2 - 1 + 0 + 1 + 2 + 3 + 4 + 5)/11 = 0
<u>Standard deviation:</u>
- σ =

Correct choice is d
<h3>25</h3>
<u>Data is:</u>
<u>Mean is:</u>
<u>Standard deviation:</u>
- σ =
≈ 1.4
Correct choice is d
Answer:
x=2
Step-by-step explanation:
If 3x + y = 7, then y= 7 - 3x.
Substitute in x - 2y = 0
So:
x - 2(7-3x)=0
x-14+6x=0
7x=14
x=2
Yes, but on Tuesday she read more because of more time then on Monday
A is the awnser,because it is asking for the area of the square figure not the triangular figure in the middle.