7 1/2 pages divided by 9 minutes is 5/6 pages per minute.
3 bags = 16 m
1 bag = 5/1/3 m
5 bags = 26 m 40 seconds
i am a mathematics teacher. if anything to ask please pm me
The '68-95-99.7' rule says
-About 68% of values fall within one standard deviation of the mean.
-About 95% of the values fall within two standard deviations from the mean.
-Almost all of the values — about 99.7% — fall within three standard deviations from the mean.
Here 
Therefore, the probability

The required probability

Answer:
53
Step-by-step explanation:
Use pemdas
Use P and do (2+2)
then E 2^3 to get 8
Now you have 9-4/4+8*5
Do M and D To get 9-1+45
Now add and subtract to get your answer