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Answer:

Step-by-step explanation:
We are given that an expression

We have to find an equivalent expression using distributive property .
Distributive property:

Using the property



Hence, the equivalent expression of the given expression is given by

Answer:
No, is not proportional because it does not go through the origin
Step-by-step explanation:
In order to find whether this is proportional or not you gotta divide y from x
and if the result is the same it means the relationship it is proportional.
30/2=15
40/4=10
50/6=8.333
The relationship is not proportional
Answer:
Square.
Step-by-step explanation:
A square is a rectangle, but a rectangle is not a square.