These two angles are a linear pair so they will add up to 180°
equation:
x+42=180
x=138°
The equation x^2 - 6x + 9 is a perfect square and when factored out it becomes C. ) It is a perfect square (x - 3)^2
Answer: 70:1 350:5
Step-by-step explanation: multiply 70 by 5 :)
