Answer:
b. using a sample of size 40
Step-by-step explanation:
edg 2020
Replace the variables with numbers to find the expression
For this case we have that the area of a circle is given by:

Where:
r: It is the radius of the circle
By clearing the radio we have:

We take the positive value:

The diameter is twice the radius:

Answer:

Answer:
8/9,
, 11/5,
, π, 11/3, 5
Step-by-step explanation:
Simplify and this should be the answer