(1/9)^-2
=(9/1)^2
=81/1
=81
Answer:

Step-by-step explanation:
To find the answer we have to first group the like terms:

therefore

so

Answer:
Cross section
Step-by-step explanation:
When we slice a three-dimensional object, we expose new faces that are two dimensional. The two-dimensional face is called <u>cross section</u> .
Can be expressed as y=0.55n
76(1.0825) is 82.27. I hope this helps have a wonderful night!