Answer:

Step-by-step explanation:
Let x be the cover page
We are given that a newspaper 's cover page is
text and photograph fill the rest.
We have to find that how much part of cover's page is the article about endangered species
Text =
Remaining part =
Remaining part =
Therefore, a newspaper;s cover page fill with Photograph =
If the article about endangered species=
of text
Therefore, the article about endangered species=
Hence, the article about endangered species is
of the cover page.
For perimeter you add up the two sides so 15 + 21 equals 36
Step-by-step explanation:
(x^5/-x^2)-(x^4x/-x^2)+(x^2/-x^2)
-x^3+x^2-1