How many hours from 730am to 445pm?

How many years in 3 in a half centuries? The history of tangrams? How do you graph x plus y equals -5? How many triangles exist from the given lengths 4m 4m and 7m? Which equation x-2 or x3 has a graph that comes closer to the origin? What are some card jitsu power card codes? 640 mg equals how many grams? Is 14.1 Rational or Irrational? What is the type of data that contains numbers and exact units? How many minutes in 4 quarter hours? What is incentre of a triangle? What are two equivalent fractions of four sixth? How To Make A Fraction To A Decimal? How long would it take you to swim across a lake that is 900 meters across if you swim at 1.0 ms2? The mean of n numbers is 5 If the number 13 is now included with the n numbers the new mean is 6 Find the value of n? What is the density of CO gas if G occupies a volume of ml? What fractions are equivalent to 36 over 80? Negative 1 over 3x plus 1 equals negative 7? A roller coaster moves 200ft horizontally it rises 135ft at angle of 30degrees above horizontal It travels 135ft at angle of 40degrees below horizontal What is displacement from start point to end? What is 0.41 as a percent?