The ocean floor directly beneath the boat is at a depth of 180 meters, the submarine descends at a constant rate of 0.4 meters per second. how
long, in seconds, could a scientist spend descending after boarding the submarine?

Billy plotted −3 4 and −1 4 on a number line to determine that −3 4 is smaller than −1 4 is he correct? explain why or why not?

Need 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.

Is triangle jkl congruent to triangle rst? if so, what is the scale factor?