This is equivalent to finding a function g in which

.
We simply reverse the actions of the initial function by adding 81 back and taking the square root. Therefore,

.
Any line is 180 degrees, so z is 67 degrees and x is 6.
The answer is B-40.
It is an acute angle so it can not be 155 but the angle does not look like it is close to being 90 degrees so the answer has to be 40!
Hope this helps(can I get brainliest)
Answer:
A. delivering substances to the cells of the body
Answer:
1. -3/4
2. 1
3. 0
4. 1/2
5. undefined
6. -22/15
Step-by-step explanation:
Hope this helped!