Mean is the sum of values divided by the count of values.
The sum of values is 1,235.
There are 9 values.
1235/9 = 137.22
The volume of the spherical piece is 288.55 cm³.
Solution:
Diameter of the sphere = 8.2 cm
Radius of the sphere = 8.2 ÷ 2 = 4.1 cm
The value of π = 3.14
Volume of the sphere 


= 288.55 cm³
The volume of the spherical piece is 288.55 cm³.
Answer:
I think x = 1 and y = 1/2. For the second: x = -1 4/13 or -1.307692, y = 4 1/4 or 4.25
Step-by-step explanation: