The answer to your question is 11.25
Answer:
48 pens
Step-by-step explanation:
6 times 8 is 48,
sam ordered 48 pens
7^4 the ^ is the exponent symbol if you did not know
7^4=2,401
Answer:
0.0274
Step-by-step explanation:
The mean is
and the standard deviation is 
Calculate
for 
If
then 
and

Use table for normal distribution probabilities to get that

Answer:
i believe the answer is A
Step-by-step explanation:
hope this works