The triangular region shows the number of possible ounces of gold, x, and the number of possible ounces of silver, y, a jewelry maker can mix together to make a certain piece of jewelry.

which combination of gold and silver can the jewelry maker use?

a) 12 oz of gold and 20 oz of silver

b) 10 oz of gold and 10 oz of silver

c) 16 oz of gold and 30 oz of silver

d) 25 oz of gold and 20 oz of silver

there is a graph to look at

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.