D.
You will multiply 3 for each visit (3dollars per visit) then just add the initial fee
Answer:
Substitution Property
Step-by-step explanation:
So we know that:

And we also know that:

And by using a specific property, we get that:

Essentially, we <em>substituted</em> B for A.
So, this is an example of the substitution property, where if two sides/angles are congruent, we can substitute them for each other.
Answer:
x=0 or x=4
Step-by-step explanation:
5x(x−4)=0