Answer:
The second band
Step-by-step explanation:
50+20=70
20+25=45
Answer:
B
Step-by-step explanation:
Initial mean = 156, Changed mean = 163.92
So, mean increases. Only condition that satisfies this is B.
Answer:
x = 10
Step-by-step explanation:
Answer:
2/10
Step-by-step explanation:
0.20 = 20/100
20/100 = 2/10
<span>A common factor is a factor of 2 or more numbers.
the factors of 12 are: 1,2,3,4,6,12
the factors of 21 are: 1,3,7,21
1 and 3 are both common factors of 12 and 21.</span>