How do you factorise x squared minus 49?

How do you write 0.119 in words? What is 44000000 in expanded form? How do you change 9 percent into a fraction? Which forces have infinite range? What 4 sided shape has exactly 2 lines of symmetry? What is this problem called 25x plus 81-16 equals 107? What numbers are a factor in 1026? What is 9 X 2222222? What is the chainage? What is the bic code for ethniki trapeza kalamata? What two prime numbers have product of 55? What fraction is equivalent to -0.06? Is amid a open or closed syllable? Can you factor x2 plus 3x plus 4xy plus 12y? Why do ecologists use the technique of sampling to estimate population size? What is the definition of a dependent variable? How many Tons equal 32000 lbs? What is 60 in expanded notation? What shape has 8 faces 18 edges and 12 vetices? Expanded form using powers of 10?