Molly, an accountant, observes that her company purchased combination locks at a cost of $0.75 and is currently selling them at a price of $2.16. What percentage is the mark-up?

Polygon mnopq is dilated by a scale factor of 0.8 with the origin as the center of dilation, resulting in the image m′n′o′p′q′. the coordinates of point m are (2, 4), and the coordinates of point n are (3, 5). the slope of is .

8.74 rounded to the nearest whole number

How do u write a function for the reflection across the y axis