What is STM-16c?

What multiplies to equal 6 but adds to equal negative 6? How many km equal to 3000m? Which expression is equivalent 16 with an exponent 6? The bases of isoscles trapezoid ABCD ARE 24cm and 36cm and its base angles are 45 degrees what is the height of the trapezoid? What is the speed of a athletes mile run? What is the answer to 4.5x10to the power of 4x5.3x10to the power of 16 divide all this by 2.5x10 to the power of negative7x0.095? What is half of 5km 314m? Could a rectangle be called a square? How much is the ratio of 6.6 kg and 1800 g? What is 3 over 10 minus 1 over 4? How do you divide the word accessories? What is the unit rate of 75 to 30? How long did it take Fibonacci to come up with his sequence? What is a f jord? What is when two outcomes have the same probability? How did Rene descartes use polynomials? What is .634 Rounded to two significant figures? What is half of two and one third cup? How do you find a ratio of a whole number? What is 191cm is how many feet?