The equasion has only one solution.
Answer:
Cluster sample
Step-by-step explanation:
This is an example of a cluster sample. In a cluster sample, the examiner divides the population into groups (each one of these groups is called a cluster) and once the examiner has these clusters, takes one of them and recollects the data from ALL the members of that cluster. In this case, the teacher divided the class in 3 different groups and then selects one of these groups and asks the average amount of time per week he/she spent studying.
Vertical angles, because the definition of vertical lines is each of the pairs of opposite angles made by two intersecting lines.
(A) is your answer
In this case, only rotational symmetry can work, with a turn of 180°
hope this helps
the anser is $71.52
Step-by-step explanation:
divide 288 by 12 than multiply by 2.98
