What is compare subtraction?

What is 8 over 15 divided by 4 over 5 in simplest form? How do you write out 288.7 billion? What is the velocity in meters per second of a runner who runs exactly 110 m toward the beach in 72 seconds? What is the total amount of time in a year spent in my maths lessons? What are the dimensions of all the rectangles that can be made from 12 square tiles? What is the volume of a prism with a base of 3.2 and the side 2.5? What is 366 mean? What does XD in roman numereals? How do you use computation in a sentence? How many square feet is a room that is 10 feet 8 inches by 12 feet 11 inches? How do you write 0.12 in two other ways? What is the equivalent fraction for 4 5 with a denominator of 7? What is 1.4.18? How many ten dollars bills makes a millon? How many laps would it take to complete 1.5 miles if each lap equals 1000 ft? How much sugar is in 1 dozen eggs? What times what equals 153.76? What is 909.4 rounded to one significant digit? What is 13 hours past 1 A.m.? IF you are using this figure to prove the isosceles triangle theorem would be the best strategy?