-4z is the answer I believe
87 numbers do not contain the digit 9
Step-by-step explanation:
7 × 6 = 42 Answer
hope it helps
The definition of a system is a set of rules, an arrangement of things, or a group of related things that work toward a common goal. An example of a system are the laws and procedures of a democratic government. An example of a system is the way someone organizes their closet.
