Answer:
X-3=Y
Step-by-step explanation:
-3-3=-6
1-3=-2
5-3=2
9-3=6
Could i get a picture of the graphs please?
Answer:
n=3
Step-by-step explanation:
Answer:

Step-by-step explanation:
From the question we are told that:
Percentage of student to get A 
Sample size 
Generally Number of student to get A is



Therefore
Probability that one student gets an A grade is mathematically by





Well I really can't explain but the answer is 0.32 square millimeters...so sorry if this didn't help.