For this case we have the following fractions:
A. 
B .
C. 
D. 
E .
As noted, the last four fractions result in -4. So, they are equivalent fractions.
Answer:
Option B, C, D, E. They are equivalent fractions.
Answer:7881 years
Step-by-step explanation:
You can use the equation
fraction remaining = 0.5n where n is # of half lives elapsed
n = ?
fraction remaining = 1 - 0.612 = 0.388
0.388 = 0.5n
n = 1.37 = the # of half lives
1.37 x 5750 yrs = 7881 years
Well 31 is not able to go any were and it has to stay 31
Answer:
4x-12
Step-by-step explanation:
Answer:
0.35
Step-by-step explanation: