How long is 21 working days?

What do you press when you begin to type a new line even when the line you are working on is not filled? How many centimeters are in 20 feet? Is -5.14 and integer? What is 0.005 in standard form? What is the square feet of 36 x 28 x 8? What is natural division? What is the smallest odd digit number? Why cant you keep a lighter lit for more then 30 seconds? What is the area of 16ft by 9ft by 10ft? What does forty fifty sixty seventy eighty ninety and one hundred mean in spanish? What is six hundred and threescore talents of gold in today money? What is 1.7 equals something over 17? What are the roman numerals to 1000? What is 82.957 rounded to the nearest tenth? When does the graph of a line go down to the right? Graph the solution x plus 7 is less then13? What tools or constructions is to contract an equilateral triangle? What is before one half? Is parametric test stronger than nonparametric test? What are the multiples of 13 between 200 and 250?