When it comes to sampling methods, random sampling is one of the most effective. The principal wants the results of his or her sample to be as fair as possible, so it is best to choose students randomly, and in a neutral environment. The mall is not a neutral environment because not all students have access to the mall, and even those who do are not guaranteed to provide accurate results. The same goes for a basketball game, and student council. Samples taken from these environments are likely to produce more bias. However, collecting a survey from every tenth student entering the school one morning is more likely to produce accurate results that are representative of the school population.
Step-by-step explanation:
Combing like terms means that you combine the terms that are alike. So, if you have integers you would combine the integers. If you had a variable like x, you would combine everything with x. For instance, 2x+4+3+7x, to combine like terms add 4+3 and 2x+7x.
B isn’t. I can’t explain why it is but it is trust me.
The value of x is 67°
What are corresponding angles?
Two angles are said to be corresponding if they occupy the same position at the point of intersection of a parallel line and a transversal that crosses it.
Analysis:
∠H = ∠I = 67° ( corresponding angles)
∠H + ∠I + ∠A = 180
67 + x + 46 = 180°
113 + x = 180
x = 180 - 113 = 67°
In conclusion, x = 67°
Learn more about corresponding angles: brainly.com/question/2938476
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