Given
The area of the circle is 1200 square inches.
To find the radius of the circle.
Explanation:
It is given that,
The area of the circle is 1200 square inches.
That implies,

Hence, the radius of the circle is 20 inches.
1. No, it is not a valid inference because her classmates do not make up a random sample of the students in the school
2. 80 students
3. 696 students
4. Yes, this is a valid inference because she took a random sample of the neighborhood
Answer:
a.11
b.20
c.44
d.5
e.60
f.12
g.4
h.40
i.900
j.6
Step-by-step explanation:
hope this helps
The fraction form 4/7 and the decimal form is 0.571428