144 girls , 1/3 = 72 , 2/3 = 144
Answer:
0
Step-by-step explanation:
gcf = 3
the factors of 12 are 1, 2, 3, 4, 6 and 12
the factors of 45 are 1, 3, 5, 9, 15 and 45
the greatest common factor of 12 and 45 is 3
Answer:
y=7x
Step-by-step explanation:
x=time
Answer:
a(-1)^(n-1).
Step-by-step explanation:
This is a Geometric Sequence with common ratio r = -1.
The general term is a(-1)^(n-1).