Which of type of light in 3D graphics determines how shiny an object appears?

Consider the following equation: 3 * (6 + 5 ) - 4 / 2. Which operation would be calculated FIRST according the order of operations?

A) 3 * 6 B) 4 / 2 C) 5 - 4 D) 6 + 5

?In an entity-relationship diagram, entities are commonly represented as _____.

A. ?triangles B. ?circles C. ?rectangles D. ?hexagons