Aiden has a collection of 63 nickels and quarters in his piggy bank. If the total value of the coins is $10. 75, how many nickels does he have?.

The sum of the lengths of all the edges of a cube is 6 centimeters. what is the volume in cubic centimeters of the cube

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.

Essay on sustainable development of soiciety