Triangle DEF, shown below, is reflected over the y-axis to form triangle D'E'F'. What are the coordinates of F'?
(4,6)
(6,4)
(-4, -6)
(-6, -4)

If the slope of one line equals the slope of another line then ? a) the two lines are intersecting lines b) the two lines are perpendicular lines c) the two lines are parallel lines d) the two lines always have very steep slopes

What is the upper quartile in the box plot?

Create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1.