Both answers are equal. There is no difference to both of them.
Answer:
There are two solutions:
x = 5/2 = 2.500
x = 8
Step-by-step explanation:
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
K = -3x^2/5 -5x -3 + px/5. I hope that helps.
D) The measures of the non- right angles in each triangle .