Which pair of triangles can be proven congruent by SAS?

2 identical triangles are shown. The triangle is reflected across a line to form the second triangle.

2 identical triangles are shown. The triangle is rotated 90 degrees to form the second triangle.

2 identical triangles are shown. The triangle is reflected across a line and then rotated to form the second triangle.

2 identical triangles are shown. The triangle is rotated up and to the left 90 degrees to form the second triangle.

Factor x2 – 8x + 15. which pair of numbers has a product of ac and a sum of what is the factored form of the

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Perform the indicated operation. y^2 + 3y - 10 / 3y + 15