Where did mathmatics come from?

What is the formula of avarage per cover? What kind of angles r in a stop sign? Where do you get the symbols you use to represent digits? How many times can 2 go into 227? What does dec 144 ency mean? How many times does the word prayer appear in the New Testament? What should the next letter be after azebiyo? 25 percent of 100? Can you solve the substitution solution to 9x plus 3y equals -68 and -2x plus y equals 18 and give the order of pairs.? What number is equal to 20 and 25? How do you find acceleration using velocity and time? In the straightedge and compass construction of the regular hexagon below how do you know that and cong? What is 2.57? The vial sizes for tablets and capsules range from how many drams? How do you write nineteen twentieths as a percent? What percent of ''things'' do you produce are still in use after 6 months? How many seconds are there in 4 and 3 quarter minutes? How many 4 digit natural numbers are there? 2x plus x plus x plus 5 3x - x plus 13? Why does a difference of point 3 units in the logarithm represents a difference of a factor of 2 between two numbers?