Answer:
simple
Step-by-step explanation:
-12r+8-2r+2
-14r-10
Answer: D
Step-by-step explanation:
Answer:
The domain should be on the x-axis.
I might be wrong.
Answer:
Step-by-step explanation:
r and d are the radius and diameter of a, respectively.
area of a = πr² = 500 in²
r = √500/√π = 10√5/√π
d = 20√5/√π
radius of b = 3r = 30√5/√π
area of b = π(30√5/√π)² = π(4500/π) = 4500 in²