Answer:A. 326.53 is the
Step-by-step explanation: I don't know.
The area of the shaded sector is one-fourth of the area of the whole circle so:

area of shaded region

The area of the shaded region is 9pi units^2
Answer:
(7,6)
Step-by-step explanation:
rotate 90 degree clockwise: (x,y) -> (y,-x)
Answer:
it is c. x + y = −6
Step-by-step explanation:
i took the test