Answer:
the last one
:D
Step-by-step explanation:
Fractions can be converted to decimals and vice versa.
<em>The decimal equivalent of the fraction of months with 31 days is 0.583</em>
Given:
<em />
<em> --- months in a year</em>
<em />
<em> --- months with 31 days</em>
<em />
The fraction (n) of months with 31 days is:

So, we have:

The decimal equivalent is:

Hence, (c) is correct.
Read more about fractions and decimals at:
brainly.com/question/548650
It’s 225,000,000= 225 million
Factor x^4-y^4: (x²+y²)(x²-y²)
further factor: (x²+y²)(x+y)(x-y)
so the dimensions are (x²+y²)(length), (x+y) (width), and (x-y) (height)