Can with number 10 explain how do it in a 5th grade way don’t mind the writing

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?

The perimeter of a triangle is 69 cm. the first is 5 cm shorter than the second side. the third side is twice as long the first side. find the length of each side

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)