What is a vertibrain?

How do you write four twenty-fifths? How do you change 25 percent into a fraction? Will tracers rounds hurt your barrel? What is the square foot of 60feet x 50 feet? What is a 1915 quarter dollar worth? Is two thirds less than half cup? How much water do older toilet tanks hold? What is the name of the shape which has one reflex angle with four sides? How many square miles was Pangaea? Which is a composite number 13 15 17 23? What number times 0.014 gives a product of 0.14? What is the surface area of a rectangular prism 3m x 4m x 8m? What is 1134 x 33? What size shoe is 26.5 cm? How many degrees is one twelfth of a full circle? What system is a system of measurement based on the number 10 by scientist in 1790s? Is 13 over 12 the same as 60? Why 0.4 is less than 44 percent? What is made of this data 4 6 7 9 10 12 14 15 15? What city is located 34 and deg south and 151 and deg east?