The person who takes on producing duties in a nonprofit theatre is often called the stage manager

Standing in the triforium gallery of a Gothic church, one could look down and see what?

a. buttress b. nave arcade c. clerestory window d. a tympanum sculpture

The scientific work of René Descartes resulted in the development of

A. calculus. B. analytic geometry. C. logarithms. D. irrational numbers.