Select all the correct answers. Alan needs to drive 400 miles to reach Madison. He is driving at a constant speed of 55 miles per hour. The function y = 400 − 55x represents Alan’s distance in miles from Madison in terms of the number of hours he drives. Andrew is also driving at a constant speed to reach Madison. The table represents Andrew’s distance in miles from Madison in terms of the number of hours he drives.

x y
1 323
3 209

Which statements about this situation are true?
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Alan is driving at a faster speed.

Andrew is driving at a faster speed.

Alan and Andrew are driving at the same speed.

Alan was farther away from Madison when he started driving.

Andrew was farther away from Madison when he started driving.

Alan and Andrew started the same distance from Madison.

Aline has a slope of 1/4 and passes through point (0.4,-1/2). what is the value of the y-intercept?

The border line of the linear inequality 4x + 7y < 5 is dotted true or false?

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.