The building shown is in the shape of parabolic arches. HELP PLEASEEE What do the zeros in this context represent?

A The highest point of the building
B
the point where the building sits on the ground
the width of the building
The distance of the highest point to the ground.

Which statement describes the term economics? a. it is the study of using limited resources to fulfill wants and needs. b. it is the study of how governments fulfill the wants and needs of nations. c. it is the study of how people spend their money to fulfill wants and needs.

Asequence {an} is defined recursively, with a1 = 1, a2 = 2 and, for n > 2, an = an-1 an-2 . find the term a241

The radius of the earth is two times the radius of the moon. what fraction of the volume of the earth is the volume of the moon?