A) Look at how the negatives are compared to the others
B) The negatives goes to the left since it's decreasing
C) Although they're the same numbers but that minus sign in front of a number is representing a decreasing number. The other numbers on the right are positive which means it's increasing.
I learned it this way, but I hope this helps you. Good Luck
The two triangles are congruent it two sides and the included angle of one triangle are respectively equal to two sides and angle of the other triangle
On the coordinate plane it would be a number on the top left and point at a bottom number, the top left is the first number and on the bottom is the last number. Hope that helped!