1. How many terms is the given algebraic expression 14x3+5x2-3x+9?

2. What is the exponent of the first term, 14x4+5x5-3x+9?

3. What is the numerical coefficient of the second term of 14x5+5x4-3x3+9?

4. What is the literal coefficient of the third term of 14x3+5x2-3x+9?

5. Which of these is an algebraic expression? x+5 or 120