What is the value of 40.4 divided by 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?

Find the solution of this system of equation -7x+y=-20 9x-3y=36

Do you mind if you guys me with this question i’m on number 8