How many hours are are there in a week?

When using 33 units of nph what size syringe should be used? What fractions are equivalent to five thirds? Who many inches are in 16 inches x 16 inches equals? 0.3 of 1 hour? What percent of 180 is 36? Which number is greater -4 or 3? How do you write 463 in Roman Numerals? How many inches is in 350 feet? What is a word exactly 100? How do you write 5.31 billion in number form? What its the year 2000 written in roman numeral? What is the equation for the ellipse if the ellipse is centered at the origin and the length of its horizontal axis is 4 and lengeth of the vertical axis is 8? What is eight point six divided by two? What are the factors for number 52? What is mode value of 3x power 5? What is a line of people behind another waiting for their turn to do something? What is a model in math? What gives the lower price per box two dollars off four dollars or 3 dollars off 5 boxes? What is the value of fifteen and three quarter divided by one and three quarter? What is the area of Alins?