Your local bakery charges $6.00 for one dozen of doughnuts. (one dozen is 12 doughnuts). if you purchase any number of doughnuts over one dozen, you will only have to pay $0.40 per doughnut. the total cost of any number of doughnuts is given by the expression below. 6+.40(d-12) which part of the expression represents the number of doughnuts purchased at the discounted rate? a. d b. (d-12) c. 6 d. 40(d-12)

Which is a true statement comparing the graphs of x^2/6^2-y^2/8^2 = 1 and x^2/8^2-y^2/6^2 the foci of both graphs are the same points. the lengths of both transverse axes are the same. the directrices of = 1 are horizontal while the directrices of = 1 are vertical. the vertices of = 1 are on the y-axis while the vertices of = 1 are on the x-axis.

What is the value of x in the equation 2(x-4) = 4(2x + 1)?

Need 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.