Emma was cleaning up the shelf with the fiction books. There were 16 fiction books on the shelf. She found 4 fiction books on another shelf and 8 more on the bench in the library. How many fiction books were there?

if you are asking for the total of fiction books that were there then I think about 28 books were there.

the figures below are made out of circles, semicircles, quarter … find the area and the perimeter of each figure and give your answers as a completely simplified exact value in terms of π (no approximations). remember that we'll also have to cut whatever areas we get in half, since we're only dealing im pretty sure that is the right answer

step-by-step explanation: