Convection currents in the Earths mantle are caused by (please dont guess or just say anything random for points) A.) Less dense hot magma moving downward

B.) Less dense hot magma moving upward

C.)Tectonic plate movement

D.)More dense cooler magma moving upward

The triangles are similar. what is the value of x? show your work.

Which data set has a greater spread? why? set a: {38, 12, 23, 48, 55, 16, 18} set b: {44, 13, 24, 12, 56} has a greater spread because .

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.