1) The null hypothesis states that there is no difference between how much female high school students spend in a month on clothes in two neighboring towns. The sample mean difference is $10 with a standard deviation of the
difference of the sample mean is $3. Is the null hypothesis accepted or rejected within a 95% confidence
interval? Why?

What is the greater volume 72 quarts or 23 gallons

Which statements are true? check all that apply. the line x = 0 is perpendicular to the line y = –3. all lines that are parallel to the y-axis are vertical lines. all lines that are perpendicular to the x-axis have a slope of 0. the equation of the line parallel to the x-axis that passes through the point (2, –6) is x = 2. the equation of the line perpendicular to the y-axis that passes through the point (–5, 1) is y = 1.

Which coefficient matrix represents a system of linear equations that has a unique solution ? options in photo*