A primary key field is used to ensure that each record is:

Alice's ____ menu choice provides the basic arithmetic calculations of addition, subtraction, multiplication, and division.

A. Numeric B. Math C. Compute D. Duration

Which of the following statements draws an arc that sweeps from the top of an oval to the leftmost edge?

a. g.drawArc(200, 100, 100, 50, 90, 90); b. g.drawArc(100, 200, 50, 100, 90, 180); c. g.drawArc(100, 200, 50, 100, 180, 90); d. g.drawArc(200, 100, 100, 50, 180, 90);