Where did mathmatics come from?

How many mg equals mcg? What 4 prime numbers equal up to 54? What does a non linear equation look like? How much would the ark of the covenant cost today? what is 12.5% of 98? Parts of congruent or similar figures that match? How many zeros are there in one billion? Is Delaware and Maine side by side in the northeastern? How many feet is there in 320 meters? What is the order of rotational symmetry of an isosceles triangle? How many meters make a mega meter? What is the relationship between two lines in the plane that intersect to form right angles? Most pop shuvits in one minute without wheels? How many feet are in 2.25 miles? What do you call 1000000000? Is it continuous data if you record change for 1 week? What plus 268 equals 423? What iis the LCM of 7 and 2? What is-73 plus 3x equals 15 plus 11x what does x equal? What is 374 divided by 1.1?