exam Maths Puzzle Numerical Ability

I know that the answer to this question is that the triangles are congruent, but I cannot figure out how they are congruent. I have triangle QPR with angle Q being a right angle,

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exam Other Question

List five odd numbers when added together that equals 32.

We have tried to come up with an answer and have failed miserably. Its for extra points in our math bowl. Its not in our text book. Its a brain teaser. Please help. Thanks.

Breana Multiply and Simplify:

x^5y^3/x^2+13x+30 times X^2+2x-3/x^7y^2