Which of the following topics would you discuss first in a speech on applications of math in the everyday world?

calculus
basic operations
algebra
geometry

But we pulled at the grill [on the ground] and it gave way. and then we saw iron rings as steps leading down a shaft into a darkness without bottom. … it was a great tunnel. its walls were hard and smooth to the touch; it felt like stone, but it was not stone. on the ground there were long thin tracks of iron, but it was not iron; it felt smooth and cold as glass. we knelt, and we crawled forward, our hand groping along the iron line to see where it would lead. but there was an unbroken night ahead. what is the most likely explanation for the walls described in the bold text?

What are the strength and weaknesses of personal entrepreneurial competencies

In nectar in a sieve, rukmani marries a tenant farmer of the class. brahmin kshatriyas sudras vaishyas