There was fertile land in the area known as the willamente river valley
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
On a graph, an equilibrium is the point where a supply curve and a demand curve meet. Hope this helps =)
Answer: B) free association
Explanation:
Free association is used during therapy to identify what a person is thinking without conscious assessment, thereby removing all barriers to their thoughts and feelings. In this example, Carolyn's therapist can understand what Carolyn is thinking without any suggestions from the therapist or any censorship from Carolyn.
This technique was developed by Sigmund Freud in the 1890s as a method to replace hypnosis.
Being audience-centered means putting the audience at the center of your presentation. This is a powerful approach to help you really connect and make a difference, rather than just making a speech or presenting dry knowledge.
Audiences respond to presentations that make sense, are relevant to them, reflect careful research and also sound interesting. They also respond to people who show they care, personally.