How tall is a robin in centre metres?

Is 81 a multiple of 6? What is substitution of 4x-3y equals 1 x-2y equals 4? What is one third times one quarter? What is 8 to the 6th power? How many yd are in 72 in? How many square feet are in 110 feet? What is the number of faces vertices and edges of a rectangular prism and a rectangular pyramid? What is 3000000 in roman numerals? What chart uses parallel lines to show the data? What is the decimal value of 115.9 percent? How many times does 750ml go into 5 liter's? What does -12 z -9 equal to? Is dekagram larger than kilogram? How do you find the radius and what is the formula? How many zeros are there in 60 milllion? How many 15x15 feet to 30 x 30 cms? Are there 41cm in a inch? What is 97 subtracted 8? What 2.5 written on a fraction? How do you fill out a form 3215?