What is one way to find out how many triangles are in a polygon? a) count all of the angles of the polygon, then divide that number by 2. b) count all of the sides and angles of the polygon, then subtract 2. c) count all of the angles of the polygon, then subtract 2. d) count all of the sides of the polygon. plz

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.

Combine like terms to make a simpler expression 3z+z

The frequency table shows the results of a survey comparing the number of beach towels sold for full price and at a discount during each of the three summer months. the store owner converts the frequency table to a conditional relative frequency table by row. which value should he use for x? round to the nearest hundredth. 0.89 0.90 0.92 0.96