18. The shape is only shifted to a different location and orientation but remains the same size so this is congruent.
19 and 20 are both scaled to a different size so they are both similar.
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Answer:
1664
Step-by-step explanation:
Y+2=2(X-0) OR Y-6=2(X-4). Either one works.
Answer:
arithmetic sequence
Step-by-step explanation:
There is a common difference between consecutive terms , that is
d = 7 - 4 = 10 - 7 = 13 - 10 = 16 - 13 = 3
This indicates the sequence is arithmetic with common difference d = 3
