X=0, y=6
x=1, y=4
x=2, y=2
x=3, y=0
x=4, y=-2
Hope this helps :)
a - b ≤ 25
b - yes
c - 26 ( draw the picture for your explanation)
Answer:
Marta
Step-by-step explanation:
We are given that

We have to find who is correct and explain.
We know that
Equation: It is mathematical sentence that combines numbers and variables which shows the equality of two expressions.
Example:

Expression: It is mathematical phrase that combines numbers and variables
using mathematical operators.It can be evaluated but not solved.
Example:

By definitions

It is in equation form.
Therefore, Marta is correct.