What is alcatarz?

What tools allowed the Greeks to exploit the five basic postulates of Euclidean geometry? Is 0.123 rounded to the 3 decimal places rational? What are the first 15 numbers of pie? How do you write 0.45 repeating as a fraction? What is an equivalent fraction to seven twelfths? Does a star shape have rotational symmetry? An example of a boolean expression? Is 7.76 irrational or rational? Is it true It is impossible to solve an equation that contains both decimals and fractions? How do you draw two lines that intersect and another line that does not intersect either one? If 8 feet of fencing cost 12.40 how much does 36 feet of fencing cost? What is half of the number sixty-seven? What is the formula of ozone? What are the number of results from Boolean? What is the y and x intercept for the equation 2x plus 3y equals 12? Is 0.353 strong positive correlation? How do you find x and y intercepts? Is it true that the greater the perimeter the greater the area? When a point is reflected over a horizontal line and is not on the line. Does the y-coordinate stays the same? A regular hexagon and a regular octagon share a common side If the perimeter of the hexagon is 24 cm what is the perimeter of the octagon?