Step-by-step explanation:
Alicia is right, if a variable is by itself, it represents 1
Commutative property of multiplication is what the property is called.
A * B = B * A
Where both 'A' and 'B' are expressions.
Hope this helps!
Answer:
Graph y≤150−x (shading down)
Graph y≥120− 7/11x (shading up)
