You first need to make sure the denominators are equal, then when they are, you can add/subtract the numerators. Then you can place the result over the common denominator.
I hope this helps! :)
Answer: Cluster sampling technique
Step-by-step explanation:
Cluster sampling is any sampling procedure that the statistics can be divided into a finite
number of distinct and identifiable units, the most of groups or clusters in the statistics will correctly represent the total students that are interviewed in the class.
Answer:
C. 20°
Step-by-step explanation:
A triangles angles have to equal 180°. You add 105+55=160°. In order to find the angle x, you subtract 180-160=20°. x=20°
