The stem-and-leaf plot below shows the number of pages each student in a class read the previous evening.

Did the universe cool off or get hotter as it expanded after the 'big bang"?

Zachary has been trying to work on an essay for almost three hours, be he can't seem to focus for more than 15 or 20 minutes at a time. what should he do so that the quality of his work doesnt suffer because of poor concentration and lack of energy

Which economy enables demand for a product or service to drive all the businesses decisions business decisions are driven by demand in a ( an ) economy