Fe + O2 – Fe2O3 Which of the following fractions can be used for the mole ratio to determine the mass of Fe from a known mass of Fe2O3?
a
NA
Oь
3
2
2
3

2
4

109 is the nearest whole number/final answer! : )

answer: there are x+184 pages in olivia's book.

step-by-step explanation:

let the total number of pages in the book which olive has already read be x.

then if olive has 184 pages left to read, then the total number of pages are in olive's book= pages she has read+pages she has left to read

therefore, the total number of pages in olivia's book=

hence, there are x+184 pages in olivia's book.

step-by-step explanation:

the surface area is 124cm²

step-by-step explanation:

length: 4cm

width: 9cm

height:   2cm