We have to check which of PEMDAS rules can be applied in this case. We have only ADDITION. In this case we can observe that addition is:
1. Associative

2. Commutative

3. has Additive property
Quotient=(dividend-remainder)/divisor
Answer: A
Step-by-step explanation: Range is the distance between one point to the next. That would make A the correct answer.
Answer:
r= 9
Step-by-step explanation:
radius (r) = diameter (D)/2
= 18/2
= 9