Corrections to question 22

So the start off this scribe post i am going to tell you the question first , which is :
Use the coordinate grid shown to do to following :
A) Rotate squareABC 90' in a counterclockwise direction about centre of rotation C.
B) Translate squareA'B'C' 3 units right and 3 units down.
C) What are the coordinates of B'' ?

What they are saying is after you rotated 90' counterclockwise the coordinates have to be at:

A') ( -5,0)

B') (-2,3)

C') ( -2,0)

and have moved it 3 units right and 3 units down ,you can see A'' , B'' , C'' and they are saying what are the coordinates of B''. You should get the answer really easy on C .

Here is a picture to show you what i am talking about :

And here is a link were you can also learn or help you understand about coodinate grids :