Penelope is selling cookies for girl scouts. if she sells at least $45, she will earn a charm for her bracelet.

a) write an inequality describing how much she should sell to earn the bracelet.

b) write an equality describing how much she sells if she doesn't earn the bracelet.

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.

Write the point-slope form of the line passing through (2, -12) and parallel to y=3x.

Another type of subtraction equation is 16-b=7. explain how you would sole this equation then solve it.