My last question But what does it mean? Please help!

What is the area of mnp? 40 m2 60 m2 68 m2 127.5 m2

Aword processing program requires a 7- digit registration code made up of the digits 1,2,4,5,6,7 and 9 each number has to be used and no number can be used mor than once how many codes are possible

The perimeter of a rectangle is 42 inches. if the width of the rectangle is 6 inches, what is the length