Answer:
( J - 6 ) × (J + 6 )
Step-by-step explanation:
j^2 -6^2
( J - 6 ) × ( j + 6 )
Find the mean of 3,2,4,6,5,6,1,7,9,8,10
LenaWriter [7]
Answer:

Step-by-step explanation:
Number of Values = 11.
Mean = Sum of values / Number of Values
= 
Answer: There are 12 white and blue cars more than silver and red cars
Number of white cars: n1=25
Number of blue cars: n2=17
Number of white and blue cars: n3=n1+n2=25+17→n3=42
Number of silver cars: n4=21
Number of red cars: n5=9
Number of silver and red cars: n6=n4+n5=21+9→n6=30
How many more white and blue cars are there than silver and red cars?
n=?
n=n3-n6=42-30→n=12
Answer: There are 12 white and blue cars more than silver and red cars.
You have to divide both 9 & 6 by their greatest common factor which is 3 so the answer is 3
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