Answer:
Therefore
and 
Step-by-step explanation:
Remember that if
= Identity Matrix
then
.
Also remember that for any invertible matrix
Identity Matrix.
Therefore

Therefore
and 
Answer:
My answer is 20ft I'm not really sure but hope this helps
Answer:
Male students have a greater median.
Step-by-step explanation:
The median is the bold line (look at the attached image)
The male's median is greater than 60.
The female's median is less than 60.
Hope that helps!
Answer: a
reason:
if you take any of the numbers and plug it in it works
Answer:
the ratio of the following x is 3/4