This is a multi-step problem. All work need to be shown to receive full credit. The standard deviation for Detroit weather is 6 degrees. Tomorrow's temperature will be 86 degrees. If this one day is at the top 10% find.
a. the corresponding z-score. Round to two decimal places. (5 pts)
2
b. use the formula 2 =
to find the mean temperature Round to the nearest degree (5 pts)

Which statement explains how you could use coordinate geometry to prove the opposite sides of a quadrilateral are congruent? a. use the slope formula to prove the slopes of the opposite sides are the same. b. use the slope formula to prove the slopes of the opposite sides are opposite reciprocals. c. use the distance formula to prove the lengths of the opposite sides are the same. d. use the distance formula to prove the midpoints of the opposite sides are the same.