Looking for the area of a regular figure would be taking the longest side and the shortest side and multiply
You would probably find it on the altitude or height.
A.) 13. all you have to do is plug it into google
Moving left subtracts from the x value the number you move.
In (2,9) the x value is the number 2
You move 1 unit to the left so subtract 1 from 2:
2-1 = 1
You will be at (1,9)
Move the 11x to the left and the +54 to the right. Their signs will flip:
14x-11x = 96-54
3x = 42
x = 14