What would bfu24ig2bRPHGOQRIPG BE IN ALGEBRA

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

Points a, b, and c form a triangle. complete the statements to prove that the sum of the interior angles of triangle abc is 180

If tan2a=cot(a+60), find the value of a, where 2a is an acute angle