Answer:
18%
Step-by-step explanation:
Non fiction books - 72
Fiction Books - 328
Total Books - 400
72 + 328 = 400
Percent of non fiction books to book fair - 18%

Simplify it until it has a denominator of 100, since that is the standard denomination for percentages.

18% or 0.18.
Answer:
associative
Step-by-step explanation:
because this picture show what it is
5) 1 - -1/ 2-3
-2/1
The m is -2
6)
-1-3/ 1-3
-4/-2
M= -2
7)
M= 0
8)
3-5/ 5- 0
-2/5
M= -0.4
9)
M= -1
10)
M= -3
Hope this helps
-Zayn Malik 1795
Answer: There are two main types of inorganic carbon that are found in the oceans.<u> Dissolved inorganic carbon</u> (DIC) is made up of bicarbonate (HCO3−), carbonate (CO32−) and <u>carbon dioxide</u> (including both dissolved CO2 and carbonic acid H2CO3).