I accidentally clicked the top answer which one is correct?! Please let me know!! Thank you!

Find an equation (in term of x) of line through the points (-1,3) and (1,4)

What is the slope simplify your answer and write it as a proper fraction, improper fraction, or integer

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