What is a barbometer?

What is the ratio of 8.2 to 1000 in simplest form using fractional notation? What is difference between the and a? What is this numeral in words 2304611? What is 4a cubed minus 4a squared? How big is 7 square feet? How many syllables in the word only? What is power coefficient? If you travel 100 miles per hour what time to travel 300 miles? What verse is repeated most in the Bible? What is the value of a Ithaca single shot 22LR S 490407873? Sum of two matrices in c program? IS 1845 divisible by 2 3 5 6 9 10? 6.0050 kg significant figures? What is smaller 0.81 or 0.805? Billion minutes is how many minutes? What 17874000000 in words? -8x plus 3y equals -5 8x - 2y equals 6? Does Revelation in the Bible tell of atrocities to come or have they already happened? How do you write 8 million and 16 in figures? How much times does 15 go into 45?