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Algebra Difficulty 1.0 Junior Find the answer Canada

The value of $\left(\sqrt{100} - \sqrt{36}\right)^2$ is

(A) $16$ (B) $256$ (C) $8$ (D) $1024$ (E) $4096$

Want a route through all this instead of an archive? The track puts 2,604 problems in a working order, from Junior Challenge level to the IMO shortlist.

Source: CEMC, University of Waterloo, licensed CC-BY-NC-4.0. Statement reproduced verbatim; metadata (topic, difficulty) added by this project. Solutions are the publisher's, linked not copied.