the twelfth term of a geometric sequence is 512/177147 and the sixth term is 8/243. find the first term and the common ratio

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

The side of a square is 3 and 5/2 inches

Who can me with this algebra for your guys.