When working with the box-shadow style, the shadow value can be placed either before or after the shadow offsets and dimensions.

Which one of the following lines names a constant needed in a program that computes the price per square inch of a round pizza?

a. scanf("%lf", &radius); b. pi = 3.14159; c. #define PI 3.14159 d. #include e. none of the above

An individual picture element on the screen is a ____________.

1. The symbol = is the C equality operator. 2. The following decision structure is invalid: ``` if x <= y printf("%lf", x); else printf("%lf", y); ``` 3. A compound statement is a sequence of statements enclosed in {} braces. 4. The following program segment gives x and y the same value if the condition is true: ``` if (x > y) { y = x; x = y; } ``` 5. Pseudocode is a special form of machine language produced by the C compiler.