You can estimate 3.9 times 5.3 to 4 times 5 which is 20
so if the answer is around 20, you know that you will have exactly 2 digits before the decimal place
Since the traversal intersects two parallel lines, the corresponding angles are congruent. Set both expressions equal to each other and you get x=6
It is A because 13/13 (=1) and 13/13 - 8/13 = 5/13
Hope this helped :)
3/2. I hope this is what you are looking for and it helps!
