What is the best way to remember vocabulary

52(4p+1) ≤ 4 3+12p can someone solve it for me with explanation

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.

Ahands-free device may only be used if it can be activated or deactivated with a