What does id mean in math?

How do you work the math problem 256 ounces equals how many gallons? What is 48x10? Example of the difference between a parameter and a statistic? The cost of playing pool increases with the amount of time using the table identify the independent and dependent quantity in the situation? What is the measure of an angle of an octagon with a perimeter of 64 centimeters? What is a multiple of five less than twenty? What is 515 in roman numerals? How many metres are in a micrometre? Is 445 divisible by 9? What is the value of k if 5.4 x 6.007 equals k? What is one million of a millimetre? How much does a bunch of turnips weigh? What is 3000000 in scientific notation? How can we communicate 50 years in the future? Round 8.95 to the nearest tenth? What is 2.5 k? What is the superlative form of either? What is 13 for 9 in unit rate? How many inches are in 3 yards and 2 feet? The factors of 52 68 and 92?