Ogao determina se houve ou não um efeito ou alavancagem de uma alteração no volume de vendas sobre o resultado operacional, lucro operacional da organização que se estiver analisando. ao calcularmos o gao, determinaremos se houve ou não alavancagem. há alavancagem operacional se o gao estiver acima de qual número? escolha uma: a. 0,5. b. 0,8. c. 2. d. 0,9.

Jackie purchased 3 bottles of water and 2 cups of coffee for the family for $7.35. ryan bought 4 bottles of water and 1 cup of coffee for his family for 7.15. how much does each bottle of water cost? how much does each cup of coffee cost?

Me max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.

The length of the line segment ac is 8x-9 what is the value of x