If she completes 5 paintings each month for six months at the end of the six months she will have 30 paintings complete and will need to complete 8 more paintings before 38 paintings are complete.
For a translation 4 units down you would subtract 4 from each y value and 5 units right you would add 5 to each x value. Your resulting points would be. A'(-1,1), B'(-1,-2), C'(3,-2), D'(3,2)