The president of a large shipping company calls these workers the backbone of the company. They don’t drive trucks, planes, or trains, nor do they load those vehicles, plan logistics, or interact with the public. Who are these workers?
ticket agents, who take reservations and orders and perform related functions
mechanics, who maintain and repair transportation equipment and vehicles
cargo inspectors, who examine the storage and shipping of products
traffic technicians, who identify ways to improve traffic flow

How did duke ellington create a new musical style that grew out of the ragtime tradition?

Match these items. match the items in the left column to the items in the right column. 1. aesthetics in art, a technique for defining shape, also used to create a sense of depth 2. composition a perceived line that describes three-dimensional form 3. contour line a method of presenting an illusion of the three-dimensional world on a two-dimensional surface 4. line (pronounced "uhvrr") — a work of art; the sum of the lifework of an artist, writer, or composer 5. oeuvre the way an artist organizes forms (lines, shapes, etc.) in an artwork, either by placing shapes on a flat surface or by arranging forms in space 6. patron the relationship of one part of a person, building, or object to another; for example the size of a statue's head in relationship to the rest of the body 7. personification the study of beauty or good taste; anything related to the study of beauty or good taste 8. perspective giving human characteristics to something that is not human 9. proportion generally a wealthy person who pays an artist to create a work of art; throughout much of history artists could not have survived without "patronage" 10. symbol an object or word or gesture that represents something else

Identify the expression 8 + 8 + 8 + 8 as a numerical expression or a variable expression. for a variable expression, name the variable.