Which is the next step in the following construction of an equilateral triangle?

connect a and d with a straightedge.
connect c and d with a straightedge.
connect c and e with a straightedge.
connect d and f with a straightedge.

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)

The given dot plot represents the average daily temperatures, in degrees fahrenheit, recorded in a town during the first 15 days of september. if the dot plot is converted to a box plot, the first quartile would be drawn at __ , and the third quartile would be drawn at link to the chart is here

Find the value of x in each case. give reasons to justify your solutions! d q ∈ pr