To use Trigonometry, we need .
O A Right Triangle with 2 known angles and 1 side.
O A Right Triangle with 2 known angles.
O A Right Triangle with 1 known side and 1 known angle.
O A Right Triangle with 2 known sides.
What is the 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.

$15 each

step-by-step explanation:

$45/3 children= $15 each

16.80 times .20= 3.36

step-by-step explanation: