Ricardo and kim rowed their canoes from their base camp to a fishing camp. they rowed a distance of x miles upstream on one river, (3x2 - 9) miles downstream on another river, and (2x + 9) miles across a calm lake. which expression is equivalent to the total distance, in miles, ricardo and kim rowed their canoes?
answer
3x2 + 3x
6x2
3x2 + 2x
5x2

Paint color preference children adults total 0.6 0.77 liked new paint color disliked new paint color 0.4 0.15 0.23 total 1.0 1.0 1.0 which value for x completes the conditional relative frequency table by column?

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.

Carlos spent 1 1/4 hours doing his math homework he spent 1/4 of his time practicing his multiplication facts how many hours to carlos been practicing his multiplication facts