Which is farther a mile or a km?

Is 1391 a prime number? The student opens a mathematics book to two facing pages the product of the page is 4160 find the page numbers? What is 81cm in feet? What is 1960 in Roman numerals? What is 2 over 3 plus 5 over 6? What does 1000 times 40 equal? When a point lies on the y-axis what do you know about it's x-coordinate .? What is another word for necessity? What is a compound word for house that lights a ship way? Why is the importance of the number two? What is the perimiter of a circle with a diameter of 12cm? How many weeks are there in 758 days? What is 1 plus 1 x 1234567890 plus 1234567890 x 1478523269? What is the positive and negative impacts of this strategy? What is the weight of hollow blocks? How do you write the number 149 in roman numerals? How do you write 65.6 percent as a fraction? Why call disconnect after 1 hour automatically? How many square yards of carpet for 8 ft by 12 ft? How do you find the slope and y intercept of an equation?