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A reflection followed by translation, a translation followed by rotation, and a rotation followed by reflection all preserve congruence.
Anything that changes the size of the figure does not preserve congruence. The other three choices all have a dilation in them; a dilation changes the size of a figure. Therefore it does not preserve congruence.
Answer:
15
Step-by-step explanation:
he can read 30 pages in 10 minutes, which means 15 pages in 5 minutes =15, 15 plus 30 = 45
30 pages in 10 minutes
15 pages in 5 minutes
Answer:
x = 7
Step-by-step explanation:
-4 + 12x = 11x + 3
- 11x - 11x
-4 + x = 3
+ 4 + 4
x = 7