Answers:
10. b. 
9. b. 
8. a. 
7. a. 
Step-by-step explanations:
10. Both segments are considered congruent, so turn both expressions into an equation:

Plug this back into the equation to get
on both sides.
9. All edges in a square obtain congruent right angles and edges, so set
equivalent to the given expression:

8. Both angles are considered supplementary, so turn both expressions into an equation and set it to one hundred eighty degrees:

7. In this rectangle, segment <em>EO</em><em> </em>is a segment bisectour, making these angles <em>Complementary</em><em> </em><em>Angles</em><em>.</em><em> </em>Therefore, set an equation up to find its complement:

I am joyous to assist you at any time.
Answer:
18
Step-by-step explanation:
The interquartile range is the middle 50% of the data.
To find the interquartile range, we must first find the lower and upper quartiles.
In this case, the lower quartile is 76.5, and the upper quartile is 94.5.
Subtracting 76.5 from 94.5 gives us the answer of 18.
Let me know if this helps!
I would need to see the table to complete it and answer it.