How many hours is 8AM to 3AM?

What is -6 plus -40 equal? What is the height of x if the hypotenuse is 21 and the base is 7? How many square miles are in 2 million acres? How can finding out that a hypothesis is not true be useful for a scientist? Who developed abacus? What is the fullform of rnd? What does congruent polygons? How many corners and edges on a 3D cylinder have? How many pieces of 4x8 plywood needed to do cover an area of 300 sq ft? How do you find two consecutive whole numbers the square root is between? What bank branch this sort code 20-20-35? What 2 numbers go into 420 evenly? What is a negative space? What is a 3 dimensional figure that is made up of 4 triangles? Pq Is parallel to rs . The length of rp is 6 cm the length of pt is 18 cm the length of qt is 21 cm. What is the length of sq? What is 15 over 4 as a decimal fraction? How do you multiply 7 x 256 using expanded form and the distributive property? Being on time is called what? What happens in the event of a vacancy occuring in either chamber of congress? What is one fiftieths as a percent?