Triangle A'B'C' is formed by a reflection over x = -1 and dilation by a scale factor of 4 from the origin. Which equation shows the correct relationship between AABC
and AA"B"C"?
O A"B" = 4BC
O BC = 4A"B"
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9:17 PM
ENG 4/10/2020
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Asimple random sample of size nequals14 is drawn from a population that is normally distributed. the sample mean is found to be x overbar equals 70 and the sample standard deviation is found to be sequals13. construct a 90% confidence interval about the population mean

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Which expression is equivalent to 8(k + m) − 15(2k + 5m)?