Question 1. What do you call a group of statements that is contained with an opening bracket and a closing bracket?

1.a. A block statement

1.b. Groupware

1.c. Bracketed statements

The grouped statements are called a block statement or a block.

Question 2. A boolean variable is used to store true or false values.

2.a. True

2.b. False

2.c. No, thanks. I already ate.

true and false are the only answers a boolean variable can store.

Question 3. What characters cannot be used to start a variable name?

3.a. A dollar sign

3.b. Two forward slash marks (//)

3.c. A letter

Variables can start with a letter, a dollar sign ($), or an underscore character (_). If you started a variable name with two slash marks, the rest of the line would be ignored because the slash marks are used to start a comment line.