Is cabin an open syllable

How many hours are in 1 week? What is the least common musical scale? What is 8.99 x 4? What is LXXXlX stand for in roman numeral? How many kl in 1 m3? How many concussions are there in a year? How many months in a year that end in y? What cost exactly 1 million dollars? What does diagnostic code 455 mean? How much loading space in a 40 foot container? What is the square root of -7 in radical form? What is in the middle of 325 and 400? In the expression 3.2 x 5 the numbers 3.2 and 5 are? What is the collom method addition? How many feet is 16.0 inches? What is a former unit of weight for measuring grain? What is 867 as a fraction? How do you calculate the surface area of a circle with a radius of 4? What do you call expressions like 4 (3 plus 2) and 4 (3) 4 (2)? What can be a top and a bottom at the same time?