Answer:
b pick 3 marbles form a bag of 10 different colored marbles
Step-by-step explanation:
The correct answer is the second option: plus or minus square root of 20
Hope this helped :)
Length of circumference is 2πr
2 π r and r is equal to 2 cm
I.e 12.5 cm
Answer:
Position of the submarine now relative to the water surface 
Step-by-step explanation:
It says that the position of a submarine relative to the water surface was -32 1/4 feet . A downward navigational maneuver increased it's depth by 15 1/2 feet.
Now we need to find about what is the position of the submarine now relative to the water surface.
Downward navigation means we 15 1/2 is negative
so we will just add both values to get the final answer:
Position of the submarine now relative to the water surface = 


It should be the answers c