I would say that the unfinished puzzle has more than one piece and the missing piece is only one, itself.
Answer:
B:825
Step-by-step explanation:
Hopes this helps:)
Answer:

Step-by-step explanation:
the third option
Answer:
Percentage score will be 83.33 %
Step-by-step explanation:
We have given Antonette gets 70 % on 10 problem test
Let consider here here total problem = total marks
So marks get 10 10 problem test = 10×0.7 = 7
Marks get in 20 problem test = 20×0.8 = 16
And marks get in 30 problem test = 30×0.9 = 27
Now total marks get get by Antonette = 7 +16 + 27 = 50
And total marks = 60
So percentage score of Antonette
%
Answer:
1+1 = 1111111111111111111111