C .... i hope I could help and that your staying safe .
Answer:

Step-by-step explanation:
Average length 
Standard deviation 
Sample size 
Generally The point estimate for the mean length of all bolts in inventory is


The volume of a cube = e^3
e = a single edge of the cube.
Area of a square = a^2
a = a single side of the square.
The volume of our cube = 13 ft^3
e =
= 2.35 ft
The area of our square = 4 ft^2
a =
= 2 ft
The edge of our cube is greater than the length of our square's side.
The poster will lie flat in the box.
All you need to do is add them together. 14+(-7)+9=16
Answer:
hertz (Hz)
Explanation:
The SI unit for frequency is the hertz (Hz). One hertz is the same as one cycle per second.