a shell that is initially at rest explodes into two fragments, one fragment 25 times heavier than the other. if any gas from the explosion has negligible mass, then

Given: m∠apc = 27°, m dc = 27° find: m ab

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.

Rick is on a bicycle trip. every 4 days he bikes 230 km. if rick keeps this same pace for 16 days, how many kilometers will he bike?