Mark has a piece of wood 4 1/4 feet long. tony has a piece of wood 1 2/4 feet long. how much wood do the boys have altogether. ! if you do you have earned my 10 points then ill only have 1 left but im doing it for u guys

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

Just tell me how to set up the equation.

The base of a triangle exceeds the height by 7 centimeters. if the area is 400 square centimeters, find the length of the base and the height of the triangle.