It is 420,5040,840 and 1680 is divisible by 2,3,4,5 &6.
Answer: -1.33 .
Step-by-step explanation:
Formula to find the Z-score :

Given: Mean = 191 and Standard deviation = 21
Then , the z-score corresponding to the expected value of 163 will be :

Hence, the z score corresponding to selling 163 inhalers is -1.33 .
...just write the angles that are congruent...And it says this is middle school,but this is elementary school problems...

The numbers are 3, 7, and 11.
Answer: 70% or .7
Step-by-step explanation: there are 10 people total who have a brother and 7 of those people have a sister so 7/10=.7