표에 제시된 상품의 품목 및 2015 년도의 수량이 소비자물가지수를 계산하는 기준이 된다면 2015 년도의 소비자 물가지수를 100 이라고 할 때 2020 년도의 소비자물가지수는
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The ages of personnel in the accounting department of a large company are normally distributed with a standard deviation of 7 years. there is a 0.02275 probability that the age of any randomly chosen person in the department is less than 22 and 0.15866 probabilty that the age of any randomly chosen person is greater than 43. what is the mean of this distribution?

5,678.321 what place value is the 1 in

In the figure, ab = 14 inches, ac= 16 inches,ay=9 inches, and bz = 10 inches find the area of the triangle abc. answer quick