Answer: its a
Step-by-step explanation:
14.87
Answer:

Step-by-step explanation:
can be solved by just multiplying the numerators together and the denominators together
2 * 3 = 6 and 5 * 4 = 20 so the answer would be 
This simplifies to 
Answer:??? I don't know
Step-by-step explanation:
???
Answer:
add
Step-by-step explanation:
increased is another word for add
Answer:
option B.
About 16% of the books have fewer than 150 pages
Step-by-step explanation:
Since we are dealing with a normal distribution
68.27% of the values will fall in the range with the standard deviation
(180-30 , 180+30) = (150, 210)
Approximately 15.86% of the values will be higher than 210
and the rest 15.86% will be lower than 150
So the correct answer is option B.
About 16% of the books have fewer than 150 pages