Hey there,
Your question states: <span>How did the calculation of pi help mathematicians during the Gupta period?
My best guess that I would give would be the option B. </span><span>
The value of pi helped them explain that Earth is a rotating sphere. Because they used the </span>

to help them, just as we use that in math.
Hope this helps.
~Jurgen
It should be noted that duplicating control signals is not a common practice, therefore the statement is false.
Traffic control signals simply mean the lights that are used to control the flow of traffic on roads. It should be noted that the color of the light is used to determine the way traffic moves.
It should be noted that the duplication of traffic control signals is not a common practice of the Delaware Department of Transportation.
In conclusion, the correct option is False.
Learn more about traffic on:
brainly.com/question/24887597
B. <span>Private individuals and businesses ought to answer most economic questions for themselves.</span>
Answer:
The amount of antifreeze you need in order to winterize your RV varies depending on the size of the vehicle, and the length of the water lines. Usually, two-three gallons of propylene glycol antifreeze is enough. However, if you’re not planning on bypassing this for your water heater, you will need at least six extra gallons of antifreeze.
Explanation: