Answer:
(y-5)(y+7)
Step-by-step explanation:
Answer:
you need to simplify them like 2n+6 simplifird if 2.(n+3)
Step-by-step explanation:
It is C..........................Happy Birthday
Answer: 12.10
Step-by-step explanation:
Given : Mean : 
Standard deviation : 
The formula to calculate the z-score :-

For x= 5 degrees

For x= 10 degrees

The P-value : 

In percent , 
Hence, the percentage of days had a low temperature between 5 degrees and 10 degrees = 12.10%
Answer:
40
Step-by-step explanation:
9a + 9b + 9c = 5
Multiply the equation by 8
8*(9a + 9b + 9c )= 5*8
Distribute
72a +72b +72 c = 40