Find the unit rate. 8 birds in 2 nests =
birds per nest
8 birds in 2 nests =___birds per nest

Some boys and girls were asked if they had a pet. one third of the group were boys. there were 20 boys. 20% of the girls had a pet. boys with a pet : girls with a pet = 1 : 5 i need to know how many girls there are.

Aregular pentagon with a perimeter of 21 inches is dilated by a scale factor of 5/3 to create a new pentagon. what is the perimeter of the new pentagon?

The radius of a sphere is 3 inches. which represents the volume of the sphere?