What Compound word ends with mine?

If three cats can kill three rats in three minutes how long will it take 33 cats to kill 33 rats? What is one third of a percent of 315000000? What is the value of the 5 in 21.57 as a fraction and then as a decimal? Is 0.05 less than 0.29? What is the difference between a linear curve and a parabolic curve? How many cm 16 in? How much commission is 15 percent of 2000.00? What is 200ths more than 0.66? How many hands is 1.52 meters? The solution set of an equation of a circle is all of the points that lie on a cirlce? How many milllilitres in a litre? What is the average speed of a person swimming 105 meters in 70 seconds? What is the outlier in 64 67 68 69 73 75 79? How many angles does a unregular hexagon have? What are the prime numbers between 100 and 250? How many times do 25 go in 425? What is the meaning of pentagon? Is 1L bucket more then 100 ml bucket? How do you write an unknown number diminished by five? What triangles are formed when you cut an equilateral triangle?