How many hours is 11PM-7AM?

How many gallons are in my pond that measures 25'x30'x2'? How will you find the radius if you only have the circumference? How does the speed of light compare with the speed of gamma rays when both speeds are measured in a vacuum? How many 12x12 stepping stones tombuild a 30x30 area? What formula would you use to find volume? What is the prime factorization of 40 using continuous division method? How many red four in a deck of cards? Find the area in the first quadrant bounded by the curve y squared equals 4x the x axis and the line x equals 2? What is -11 multiplied by what to get 121? Why can agent sell a house 2 times? What is the equation for the total surface area of a pyramid? -11 plus X equals 17? How do you divide quantities in a given ratio? What is the principal square root of 0.01? What is 0.88 as fraction? Write 4.3 as a fraction? What is 72 63 in simplest form? Why did Ermst Haeckel divide protoctists into a different kingdom? What is 32 divided by 99? Are some acute triangles equiangular?