What is X squared minus 4X -12?

What is the volume of a sample of gold that has a mass of g? How do you write 543 in decimal system? Do all quadrilaterals have at least one pair of parallel lines? Do dogs have 1 or 2 stomach? What expression of a measurement of density? How do you reduce 0.75? What compound word can you make with foot and ladder? How many feet are there in 12 mile? A javelin thrower releases a javelin 1.5 meters from the ground with an intital vertical velocity of 25 meters per second How long will it take the javelin to hit the ground? How many rpm does a 18 inch dia wheel turn at 80 mph? What is a 73 diveded by 8 equals? How do you write 2 million and 170 thousand dollars in numbers? A man is 1.7 m long. An amoeba is 17 and microm long. How does the length of the man compare to the length of the amoeba? What is the end of a ray or line segment? What are the four types of measurements? What is the probability of flipping a coin twice and it landing on heads exactly one time? Can a regular polygon with an angle measure of 160 degrees be used by itself to make a tessellation? In two weeks a taxi drives 2460 miles at this rate how many miles will the taxi drve in 52 weeks? What is thirteen fifteenths as a decimal? How many dimes are in a billion pennies?