Identify each as an equation or and expression.

Answer:
here lets make it easy for you
An expression is a problem WITHOUT an Equal sign
An equation is a problem WITH an Equal sign
Answer:
Equation: 2nd, 5th, and 6th
Expression: 1st, 3rd, and 4th
Step-by-step explanation:
Equations need to have the equal sign and expressions don't have one.