An airplane cruises 1 kilometer in 1/12 of a minute. What is its cruising speed?

Simplify your answer and write it as a proper fraction, mixed number, or whole number
Show your work

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).

Type the correct answer in the box. consider the system of linear equations below. rewrite one of the two equations above in the form ax + by = c, where a, b, and c are constants, so that the sum of the new equation and the unchanged equation from the original system results in an equation in one variable.

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