This is what i got,
1/x + 1/y =8
6/x + 12/y =

can someone tell me what to replace the ""?

Find two rational expressions that have the difference of 2-n/n-4

Driving 75 mph, it takes alicia 2 hours to reach the airport to go on a vacation. it then takes her 4 hours to get to her destination with the jet traveling at a speed of 400 mph. how many miles does alicia travel to get to her destination?

For the equations below which statement is true ?