In 2008, $1.00 u. s. bought 8.24 chinese yuan and in 2010 it bought 6.64 chinese yuan. how many u. s. dollars could 1 chinese yuan purchase in 2008 and 2010? a. 2008: .12 u. s. dollars; 2010: .15 u. s. dollars b. 2008: 1.2 u. s. dollars; 2010: 1.5 u. s. dollars c. 2008: .82 u. s. dollars; 2010: .66 u. s. dollars d. 2008: .15 u. s. dollars; 2010: .11 u. s. dollars

Now 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.

In priyas math class there are 10 boys and 15 girls. what is the ratio of boys to girls in priyas math class? express your answer as a decimal

You’re giving a cube with a length of 2.5 cm and a width of 2.5 cm and a high of 2.5 cm you place it on a scale and it is 295 g calculate the density