(A) Vertical angles are congruent
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Answer:
h= -4.
Step-by-step explanation:
42= 6-9h
42-6=-9h
36=-9h
36/-9= -9h
-4=h
The greatest common factor is 2
"97.5" will be the American women's % having their shoe sizes that are no more than 11.33.
Given values are:
- Mean = 8.33
- Standard deviation = 1.5
Now,
= 
=
(2 above Standard deviation)
→ The data values are between 8.33 and 11.33,
= 
=
(%)
→ The data value below 11.33,
=
(%)
hence,
→ The percentage of American women will be:
= 
=
(%)
Thus the above answer is appropriate.
Learn more about empirical rule here:
brainly.com/question/18529739