Bradley cut a square hole out of a block of wood in wood shop. if the block was cube-shaped with side lengths of 8 inches, and the hole had side lengths of 3 inches, how much wood was left after the hole was cut out?

Lance lived in portugal and brazil for a total of 14 months to learn portuguese. he learned an average of 130 new words per month when he lived in portugal, and an average of 150 new words per month when he lived in brazil. in total he learned 1920 new words. write a system of equations to represent the situation. use x to represent portugal, and y to represent brazil