A grocery store advertised a detergent today for $7.99. Why did the store choose to advertise the detergent this way? A. It is trying to differentiate it from other brands.
B. The store has a shortage of that detergent.
C. Customers' brains tend to notice the first digit first.
D. It wants to encourage customers to donate an extra penny to charity.

Which formula gives the area of a triangle? a=1/2(b+h)

What number produces an irrational number when multiplied by -1.25

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.