I'm pretty sure the 3rd one is right, use a calculator
Answer: The attachment is blank
Step-by-step explanation: :/
Answer: 9-2 & -2-(-9)
Correct me if I'm wrong.
Step-by-step explanation:
Answer:
area of larger circle : 9π = 28.27
area of smaller circle: 4π = 12.57
area of shaded region: 15.71
Step-by-step explanation:
area of a circle = πr^2
I think these are right i dont know tho