How many sevens are in 28?

When A boat less than 12 meters (39.4 feet) in length must have aboard? What is the top part a fraction that tell how many parts of a whole are being considered? What are the three measures of central tendency? How do you change 1.25 as an improper fraction? How are the mean median and mode helpful in describing data? 7 sided figure is called? How long would it take you to repay a trillion dollars at the rate of 1000 dollars per second? What is 70 out of 200 simplified? Why isn't a proof coin a grade? What is the mechanical advantage of an inclined plane that is 5 m high and 20 m long? What can you do if your marriage is unhealthy and you decided to seek counseling but your former sexually abused wife doesn't help or see the need and only blames you and doesn't take action herself? What is 1.33 x 2.5 equals? What an integer mean? What are two places that are picturesque? What fraction number is equal to 0.9? How do you write 49.564 in expanded form? What is the cubed root for 216? How many sides does a regular polygon with an exterior angle of 12 degrees have? How does pythagorean theorem relate in your daily life? What is the use of face and edge marks?