What are the ratios and is this table proportional

Question 101 points)which equation in slope-intercept form represents the line that passes through (5, 1) and(-4,7)

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

Pls never taught i’m really confused and i rlly need