Step-by-step explanation:
tract I hope this helps you
thank you
Given
the life expectancy of a circulating coin is 30 years
the life expectancy of a circulating dollar bill is only 1/20 as long.
Procedure
c=life expectancy of a circulating coin
p= life expectancy of circulating paper money


The answer is: life expectancy of a dollar bill = 1.5 years
Answer:-2x^2(2-1)
Step-by-step explanation:
-4x^2 + 2x^2=-2x^2(2 - 1)
Answer:
believe it's G, I hope that's correct for you
Answer:

Step-by-step explanation:

Using this, we can subtract and find the answer.
