The distance between Cheyenne, WY and Tulsa, OK on a map is 8 inches. If the scale of the map is 8 inches : 90 miles, what is the actual distance from Cheyenne to Tulsa? Use a proportion to solve. *

The mean of a set of data is -3.82 and its standard deviation is 2.31. find the z score for a value of 3.99.

(mc 02.03) what set of reflections and rotations would carry rectangle abcd onto itself? reflect over the y-axis, reflect over the x-axis, rotate 180° rotate 180°, reflect over the x-axis, reflect over the line y=x reflect over the x-axis, rotate 180°, reflect over the x-axis rotate 180, reflect over the y-axis, reflect over the line y=x

Can someone tell me if this is perpendicular? !