Complete the sentences to explain what steps were followed to obtain the system of equations below. To get system B, the FIRST, SECND equation in system A was replaced by the sum of that equation and 3, 9, -9, -3 times the FIRST, SECOND equation. The solution to system B IS NOT, IS the same as the solution to system A.

Driving 75 mph, it takes alicia 2 hours to reach the airport to go on a vacation. it then takes her 4 hours to get to her destination with the jet traveling at a speed of 400 mph. how many miles does alicia travel to get to her destination?

When using the linear combination metho e linear combination method to solve a system of linear equations, the four options are:

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.