hence, the required result is
stepbystep explanation:
suppose we have two matrices a and b
we will assume the two matrices
we have to compute ba which means subtracting corresponding elements of a from b.

they used 313 gallons of paint
for the friend request.
when a figure, such as triangle (xyz) is reflected over the line y = x to create x'y'z' the xcoordinates and ycoordinates of the original image (preimage) will be reversed for the image. (e.g., (x, y) > (y, x)) this means that the preimage position of the x and ycoordinates switch places which in turn provides a mirror like image of the original xyz.
i notice that when i draw a line segment from x to x', that the points are parallel from each other  they are exactly across from each other and do not intersect with any other points.
yes, think i would see the same characteristic if you drew the line segment connecting y with the reflecting line and then y' with the reflecting line because of the essence of reflections. because it is a mirror image, each point was effected the same way which leads me to conclude that they same would apply to y and y'.
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stepbystep explanation: