Answer:
they are equal
Step-by-step explanation:
f(x) means the same thing as y.
75 divided by 15 equals 5 so each mouse cost $5.
This expression has three terms: the variables x, y, and z. We say that the first term is x, that the second term is y, and so on. This expression also has three terms: the number 7, the function f(x), and the variable a.