In any year, millions of advanced placement (ap) exams are taken in the united states. in a particular year, a total of 60 thousand exams was taken in chinese, french, and german language and culture. the number of chinese exams taken was 20 thousand more than the number of german exams taken. the number of french exams taken was 16 thousand more than the sum of the number of chinese and german exams. find the number of exams taken in each language.

Afactory adds 3 red drops and 2 blue drops of coloring to white paint to make each pint of purple paint. the factory will make 50 gallons of the purple paint. how many drops of red and blue coloring will the factory need in the 50 gallon batch of purple paint.

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.

0if x and y vary inversely and y=6 as x=7, what is the constant of variation?