Which letter has at least one line of symmetry?
x
f
g
k

The letter K has one line symmetry.

Step-by-step explanation:

If you look at the the letter K, try folding it horizontally; as these sides show the same exact thing on its opposite side. Therefore, K has one line of symmetry.

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.