Fill in the missing steps for the derivation of the quadratic formula using the choices below. On a coordinate plane, 3 labeled A, B, C are shown. Parabola C goes dips below the x-axis, Parabola B has a vertex on the x-axis, and Parabola A has a vertex 4 units above the x-axis.

Complete the equation of the line through (−10,3) and (−8,−8). use exact numbers.

Asurvey of 45 teens found that they spent an average of 25.6 hours per week in front of a screen (television, computer, tablet, phone, based on the survey’s sample mean, which value could be the population mean? 2.3 hours 27.4 hours 75.3 hours 41.5 hours

Needmax 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.