Asmall independent organic food store offers a variety of specialty coffees. to determine whether price has ab impact on sales the mangers kept track of how many pounds of each variety of coffee were sold last month. based on the summary statistics shown below what percent of the variability in the number of pounds of coffee sold per week can be explained by price

Cor d? ? 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.

20 solve 2(4 x + 3) < 5 x + 21. a) { x | x < 9} b) { x | x > -5} c) { x | x > -9} d) { x | x < 5}

Solve each quadratic equation by factoring and using the zero product property. [tex]x^2+6x+8=0[/tex]