What is a graphemem?

What equation equals 30? Factors of 245? How much is 11 cubed? How do you find the measure of an angle to the nearest degree? Factor c squared - 6cd plus 9d squared - 4? Are make or higher verbs? Data involving two variables? What is 300 a P G in B? Three less than two-thirds of a number is three Find the number? What is equivalent to 32 96? Is a constant acceleration graph a linear equation? Are repeating decimals an irrational number? What expression is equivalent to 16 (30x-24y) - 18 (32x-16y)? Is the difference between two integers always smaller than either on of the numbers in the difference? What is 5.396Multiplied by 10 to the fourth power? Who invented exponentail growth and exponential decay? Difference between Context-free grammar and regular expression? What is 5 over 10 reduced to the lowest terms? Why Punchilne bridge to Algebra 2nd Ed 7.15 answer? What are the factors and prime factors of 39?