Answer this question please!

3 units

Step-by-step explanation:

You can see that the measure of ec is equal to 3 because the image shows that DA is equal to 3 and it uses the same line

hope this helps

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.

tube or goog would be a great resource to with that question