Answer:
+5
Step-by-step explanation:
You add five to -7 you get -2 add five to -2 you get 3 and so on.
Answer:
37.5 percent
!!
Step-by-step explanation:
80*4=320
89*4=356
This is the range of the addition of all 4 scores.
99+80+70=249
320-249= 71
356-249= 107
[71, 100] would be the answer, unless you can get extra credit on the final.