Demitri hikes 12 miles on Wednesday. On Thursday, the amount of miles he hikes decreases by 25%. How many miles did he hike on Thursday?

Which of the following transformations will result in an image that maps onto itself? a. rotate 90 degrees counterclockwise and then reflect across the y axis b. reflect across the x-axis and then reflect across the y-axis c. rotate 90 degrees counterclockwise and then translate 4 units up d. reflect across the x-axis and then reflect again across the x-axis