The box plot shows the heights of grade 7 students in two random samples from two different schools. The sample item from each school is 30% of the student population.​

Each of the walls of a room with square dimensions has been built with two pieces of sheetrock, a smaller one and a larger one. the length of all the smaller ones is the same and is stored in the variable small. similarly, the length of all the larger ones is the same and is stored in the variable large. write a single expression whose value is the total area of this room. do not use any method invocations.

If a flying disk is 139 meters in the air and travels at an average of 13 m/s how long is it in the air

Math i have no idea how to do a and b