Two road crews are paving a straight section of highway. The first crew is responsible for paving the eastbound lanes, and the second crew is responsible for paving the westbound lanes. The first
crew has already paved 20 kilometers and is paving 4 additional kilometers per day. The second
crew has already paved 25 kilometers and is paving 3 additional kilometers per day.
Chose the graph that correctly represents this system of equations (a, b, or c)

Determine if the following statement is true or false. the normal curve is symmetric about its​ mean, mu. choose the best answer below. a. the statement is false. the normal curve is not symmetric about its​ mean, because the mean is the balancing point of the graph of the distribution. the median is the point where​ 50% of the area under the distribution is to the left and​ 50% to the right.​ therefore, the normal curve could only be symmetric about its​ median, not about its mean. b. the statement is true. the normal curve is a symmetric distribution with one​ peak, which means the​ mean, median, and mode are all equal.​ therefore, the normal curve is symmetric about the​ mean, mu. c. the statement is false. the mean is the balancing point for the graph of a​ distribution, and​ therefore, it is impossible for any distribution to be symmetric about the mean. d. the statement is true. the mean is the balancing point for the graph of a​ distribution, and​ therefore, all distributions are symmetric about the mean.