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:55.6%
Step-by-step explanation:
45-70= -25
-25/45 = 0.555
=55.6
Multiply first equation with 2. Then add first and second, we get -x=6. X=-6 and y=-29