Answer:
A = 78.5 cm²
Step-by-step explanation:
Area = π · radius²
if diameter is 10 then radius is 5
A = 5²·π
A = 25 × 3.14
A = 78.5 cm²
Answer:
Correct choice is B
Step-by-step explanation:
The exponential regression model can be written as exponential function

Then

Thus,

When
you get

Answer:
13.615
Step-by-step explanation: