Sometimes.
Sometimes true.
Sometimes
sometimes
Sometimes true. The LCM of 4 and 9 is 36. The LCM of 4 and 8 is 8.
Sometimes.
always
The answer is sometimes - when the multiple in question is 1.
Remember that when two numbers with the same sign are multiplied,their product is always positive.
Always
sometimes true
Never.
Whole numbers can never be irrational.