28.
2 to the third power is 8. Therefore, the answer is 28.
Hope this helps!
Answer:
Step-by-step explanation:
Answer: -4y^(2)+12y-8
Step-by-step explanation: Combine like terms
Answer:
See Explanation
Step-by-step explanation:
The question is incomplete, as the sector, its area and the angle at the center are not given.
I will solve this using the following illusration
The area of a sector is:

Assume that:


The equation becomes

Simplify

Take: 

Cross Multiply

Solve for 


Take square roots

