Answer:
1. equation
2. equation
3. expression
4. expression
explanation is that an equation has an equal sign and an expression doesnt .
5. equation
Step-by-step explanation:
Answer:
Step-by-step explanation:
Since they are supplementary, it means the addition of both angles gives 180 degree.

Answer:
$13.95
Step-by-step explanation:
Answer:
git to be honest with you i dont know
Step-by-step explanation: