The answer is c because 1.5 times 1 = 1.5 then you add 2.5 to get 3.5
The answer to your question is 7/12
Answer:
see explanation
Step-by-step explanation:
The surface area (A) of a sphere is calculated as
A = 4πr² ← r is the radius, here r = 9, thus
A = 4π × 9² = 4π × 81 = 324π ≈ 1017.9 units²