Elena packed 48 cubes into this box. each cube has edges that are 1 centimeter. how many layers of cubes did elena make

What are potential hypotheses (explanations) regarding why there are ecological equivalents between many metatherians and eutherians? discuss your hypothesis in terms of the processes that could lead to the current ecologies and distributions of metatherians and eutherians.

Write an inequality and solve each problem.for exercises 11 and 12, interpret the solution.

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.