Answer:
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Answer:
Step-by-step explanation:
Answer:
angle D = 54°
Step-by-step explanation:
Supplementary angles sum to 180°
To calculate D, subtract angle C from 180
angle D = 180° - 126° = 54°
N= -7; open the first bracket, then add the two negatives.Then open the second bracket, and cancel opposite sign 3's and then solve.
Sample size is an act of picking the number of observations to include in a statistical sample
