What is -18-x-x40?

In mathematics what is mean? How many feet is in 40 yards? How do you write the number 713004112 in words? When that which is perfect has come In the bible? How many pavers do you need for 90 square feet and pavers are 16x16? Risk while driving is defined as the probability of damage or loss.? What is half of 1m20cm? What is the mode and range of 2.2.3.5.7.9? What is mode of 61.7 65.3 66.1 68.2 71.4 73.5? What is 0.502 in significant figures? Is 25 yards greater than less than or equal to 75 ft? What does denominator and numerator mean? If the area of the polygon is 1440 how many sides does the polygon have? What two dimensional shapes make up the net a for a pyramid? How many sqaure meters in one square kilometers? How many dollars is 179? What is the total interior angles of a six sided polygon? How to buy legalon 140? What can go into 96? In which country were tens and thousands of people killed as its president attempted to stay in power?