Can someone help me with this

Write two subtraction equations that are equivalent to 5 + 12 = 17.

Can anyone explain to me how to do this? anything will .

Lesson 9-3 for items 8-10, a square is drawn in the coordinate plane, with vertices as shown in the diagram. then the square is reflected across the x-axis. -2 4 8. the function that describes the reflection is (x, y) - a. (x, y-3). b. (x, y-6). c. (-x, y). d. (x,- y).