The point is located at (4,3) . If we wanted to increase the value of the
x-coordinate
, the point would have to move (horizontally or vertically)
,

We have to move horizontally. As Y is the vertical axis and x is the horizontal axis. If we need to increase the value of x coordinate we need to move horizontally.

the monthly balance will be $75,000

ca = ec

cpctc makes it so that corresponding parts of the triangle you proved to be equal are equal, the other options aren't part of the part of the triangles you proved to be equal.