Answer: If | a | is 7, the possible values of | a |, also known as the absolute value of a, are 7 and -7.
Step-by-step explanation: The two symbols on both sides of the a make this variable an absolute value. This means that no matter what number you input into it, you will always get a positive number. Therefore, to get an answer of 7, you could either make a 7 or -7.