Answer:
P=7
Step-by-step explanation:
The expression (n+3) represents the measure of an exterior angle of a regular octadecagonal.
It would be -(-31) because a negative and negative is a positive
Its 10+20= 30 and 10++20=30
Answer:
A
Step-by-step explanation:
<em>it passes the vertical line test.<3</em>
