Intense shelling on border town with Russia as fighting continues between separatists and government forces

The video tutorial provides an overview of key concepts, focusing on the phrase 'away invalid.'

What does the term 'away' generally imply in a learning context?

• A state of being absent

• A state of clarity

• A state of being present

• A state of confusion

How might the term 'away' be used in a sentence?

• The student was confused in class today.

• The student was present in class today.

• The student was invalid in class today.

• The student was away from class today.

In what context might something be considered 'invalid'?

• When it is universally accepted

• When it is legally recognized

• When it lacks validity or soundness

• When it is highly recommended

Which of the following is NOT a synonym for 'invalid'?

• Null

• Legitimate

• Unfounded

• Void

Which scenario best illustrates the concept of 'invalid'?

• An expired coupon

• A valid passport

• A new textbook

• A functioning computer