Select the correct answer. In the diagram, ∆abc and ∆dbe are similar. What is the scale factor of the dilation that will map the preimage δabc onto the image δdbe? a. 1. 33 b. 0. 75 c. 0. 66 d. 0. 55.

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Did the universe cool off or get hotter as it expanded after the 'big bang"?

Which scenario describes intraspecific, indirect competition? a. a peacock defends its territory against another peacock. b. lions and hyenas compete for the same prey animals. c. a male black bear eats fish in an area of a lake, so other black bears can’t. d. different species of birds fight over spilled popcorn on the ground.