How much does it cost to have a 15foot by 12foot room soundproofed?

A shape that is a polygon all of the sides have the same measure and so do your angles you have three sides? What is 8.17 times 10 to the 7th power? What is 12 over 8 in mixed number? Why is raising the number to the second power called squaring the number? What is the surface area of a cylinder that has a radius of 20mm and a height of 15mm? How do you you modulate from A flat Major to C Major? What is the ff stand for when seeing them in the footnotes of my Bible? How many odd natural numbers between 0 and 40 are prime numbers? What type of angle would be formed by a clock's hands when it is 3? Is it true or false that a convenience sample usually consist of respondents with strong opinions? Who invented the digits 0 to 9? What is the definition of acute polygons? Which numbers have a LCM of 48? How big is 500 mm by 600 mm? What is 5 and one half multiplied by 3? What is the rule for divide by 9? How long does it take to go 408 miles at 65 miles per hour? How many millionths equals a million? What is bigger 0.14 or 1? Where in the Bible did God say the earth will be destroyed by fire?