Given the word FAMILY, find the number of ways you can arrange with all letters

In a school 2/3 of the students study a language of those who study a language 2/5 study french

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 height of a square pyramid that has the volume of 32 ft.³ and a base lengthof 4 feet