Factor tree of 441

Two adjacent angles up to be 180? Is your arm span equal to your height? Which number is known as Ramanujan number? What is the range of these list of ordered pairs (-3 -1) (0 -2) (4 3) (1 5)? What is the value of the digit 2 in 4852? What is 6.4 equal to? What is the multiplication inverse of 0.32? How do you find your bra size? What is .50 million in numbers? In five years time I will be three times older than I was three years ago. what age am I? What is 133 percent of 90? What is 0.00230 in scientific notation? What happens if anyone has 4 lines to the little finger? How far is 300 meters convert into miles? What is 18 over 25 written as a percent? what is double of 92? Is an altitude always sometimes or never an angle bisector? A rock is dropped from a sea cliff and the sound of it striking the ocean is heard 3.8s later If the speed of sound is 340 ms how high is the cliff? What is one fifth seven tenths? What is the sum of n and the sum of 8 and 6?