Triangles 1 and 2 can be shown to be congruent using the reflection A) (x, y) → (-x, -y). B) (x, y) → (-x, y). C) (x, y) → (-y, x). D) (x, y) → (y, x).

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step-by-step explanation:

21

jk it's 20

step-by-step explanation:

the answer is 13

step-by-step explanation:

5*5=25

12*12=144

25+144=169

169^2=13

step-by-step explanation:

for exempl this   system of equations   y = x - 3

                                                                y = 2x - 5

look   the line : y = x -3     ( red)

                            the line : y = 2x -5 ( bleus)