Step-by-step explanation:
-2.8 +2.4=-.4
-.4+7.8=7.4
7.8-2.8=5
i hope this helps ; )
Answer:
G
Step-by-step explanation:
the perimeter is the sum of all sides so we have

3(-1)-7= -10
3(0)-7= -7
3(1)-7= -4
3(2)-7= -1
3(3)-7= 2
therefore range = {-10,-7,-4,-1,2}