Matias stacked his cubes to make this rectangular prism. rectangular prism with grid lines how many cubes did matias use?

X+ y = 5 ; x - y =3 solve using linear combination

Aphrase is shown read the phrase and give me the answer

The poll report includes a table titled, “americans using cash now versus five years ago, by age.” the age intervals are not equal. why do you think the gallup organization chose the age intervals of 23–34, 35–54, and 55+ to display these results?