Answer:
pp
Step-by-step explanation:
Step-by-step explanation:

Answer:
Step-by-step explanation:
Area of circle = π r²
r = 30
30² = 900
π = 3.14 or ≈ 3
A ≈ 900 × 3
A ≈ 2700
so C at 2830 is closest to the answer
Answer:
5, 7
Step-by-step explanation:
Answer:
x=-1
Step-by-step explanation: