Answer:
Commutative
Step-by-step explanation:
You can switch the order.
18 students are 1/10 of the number of seventh graders
First choice.
The range is the set of possible images, i.e. "y".
So you can discard options "a" and "c".
2 is a possible image, and all the real numbes are.
Then the answer is "d. y | y is a real number"