(5a-7b)*(a+3b)

Which rule states that if the hypotenuse and one side of one right triangle are congruent to the hypotenuse and corresponding side of another right triangle, the triangles are congruent?

Question: Calculate the square root of 169 and add it to the square root of 64, then divide the result by the square root of 36. Round your answer to two decimal places.

What is the magnitude of a vector in unit vector notation if its components are (3, -4, 5)?