How many weeks in 141 days?

When you multiply and number by 0 the product is 0? How many 4 digit number combination are there using 1 3 5 7 and you can use each number more than once? How many milometers make a kilometer? What is 23 subtract 15? What is 4b plus 6 - 4? Is 9 over 15 and 15 over 25 equivalent? Can 594 be divided? What is the swift code for aba no 021001088? What are the races of the 12 tribes? How much is 1.2 kg in ounces? What is 42 divided by 75 as a fraction? How much water is used in a kitchen every day? Is the surface of earth curved? How can public key encryption be used to distribute a secret key? Which one is correct in yard or at yard? What is the fractional part 0.45? Will a square and regular octagon tile? What is the second quartile of the data set 72 58 66 80 70 48 52 62 78 84? What is the area of an ellipse? What is the value of x if x divided by negative fifteen equals negative four?