Right Awnser only the last one was not right different Awnser

Without graphing the linear functions, find the coordinates of the point of intersection of their graphs: y=3x−11 and y=4

Three people are traveling and need to exchange the currency of their native country for the currency of the country they are visiting. drag each exchange to the category that shows the ratio of currencies in that exchange.

X/y + 4y/x divided by x/y - 2y/x explain as in depth as you can how you simplfied the fractions. i don't know where to start on this : /