Answer:
The answer is 8.
Step-by-step explanation:
The scale factor between the figures is 2/3, this means that the ratio of the smaller figure to the larger figure is 2/3:
.
So when a side of the the larger figure is 12 then:

Therefore
.
Thus the length of the corresponding smaller side is 8.
Answer:
B
Step-by-step explanation:
The line is solid, so eliminate A and D.
Also, the line is shaded below, so this eliminates C.
It'a an arithmetic sequence:


You would multiply 28 times 10 which equals 2,800