What is the head circumference of a 6 year old child?

How was Albert Einstein gifted? What is Roman Numeral XXX XV II? What is 20 percent of 215 dollars? What are all the irregular polygons called? What is the solution to y3x 22 y2x 16 by using systems by substitution? What is the correct order of steps in the programming process? What year would it be 2 million years from now? What is the smallest number that 396 is to be multiplied by to make a square number? What fraction is equal to 4 over 6? What is the golden ratio according to Gottman? What is 75 above zero in math? How old is a boy who is twice as old as his sister and half as old as their father.In 50 years his sister will be half as old as their father? Simplest form of 9 - 15? Why do people use 'read your Bible' as proof for Christianity? What is the word form for 6.5? What is the number of non-square numbers between 2 consecutive numbers? How many watts to raise temperature of a room by 1 degree c? What sum of the first six odd numbers? Number of edges on a icosahedron? Solve this equation 15 is 25 percent of?