Answer:
So the number of ways of choosing two distinct letters at a time is (42)=6. We can then add the duplicate pairs which are O,O and N,N to give a total of 8 possible pairs.
I think it’s B. 4 because 65 divides by 15
Answer: 
Step-by-step explanation:
Given
Distance traveled is 
for s=150 ft

All real numbers or is it multiple choice
Answer:
Part A: 100%
Part B: 50%
Step-by-step explanation:
The difference between 10 and 5 is 5
5 is 100% of 5, so 10 is 100% greater than 5 (part A)
5 is 50% of 10, so 5 is 50% less than 10 (part B)
Part A is 100%, and Part B is 50%
-Chetan K