Answer:
9/4
Step-by-step explanation:
1.
2.
3. 
Therefore, the slope is 9/4.
Answer:
option C
Step-by-step explanation:
Total number of items = 5
Number of items to choose = 2
Therefore, the number of combinations is

The answer is definitely B
Answer: b(4) or 4(b)
Step-by-step explanation: