Solve for missing variable in each figure. give exact values.

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

What can you determine about the solutions of this system

Find the rate at which the water is now flowing from the tap give your answer cubic centimetres per second