A. Surveying the students about their favorite type of math problem.
and
C. Sampling water for contaminants
Both are not earning different salaries.
If a study determines the difference in average salary for subpopulations of mechanical engineers and civil engineers is NOT significant, then the subpopulations of mechanical and civil engineers are not earning different salaries.
Study determines that there is not any significant study so thats why both are not earning.
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Answer:
28/7=4 and 60/12=5
Step-by-step explanation:
7-2(180) = 900°
900 -158 -120 -139 -121 -125 -126
= 111°