Who made the first alphbet?

What four eights plus three sixth? What is 3x-2y-4xy 4y-1x 7xy? How many ways can you arrange a people in a row? The thermometer show negative 10 degrees if the temperature rises 5 degrees how much will it have changed? How do you write 4 in roman numerals? How many deaths per year are there due to caffeine overdose? What is 35 over 55 as a percentage? How do you simplify 6(9 4)? What is exponential form of 21212121? Where do you Find antheridium? What is the scentific notation of .00045? What will be 18-06-1981 from English to bengali calendar? What is 300 times 3 14? How do you find the positive square root of 44100? What is 77 percent decimal notation? Is 3367 prime? Answer in finding the formula of number of subsets? What word means to get gain obtain? Why is the symbol and concept for zero important? If a geometric sequence has a common ratio of 4 and if each term of the sequence is multiplied by 3what is the common ratio of the resulting sequence?