Answer:
a or the first one
Step-by-step explanation:
built:Different
Answer:
$210
Step-by-step explanation:
He makes 7% of that which is:

So, he makes $210 in commission.
Answer:

Step-by-step explanation:
Use the midpoint formula:

We want to find the midpoint of the line
that has endpoints.

We simplify to get;

This finally gives:

The correct answer is A.
Answer:

Step-by-step explanation:
Division operation of function:

Example:
