12/7 simply exchange the denominator and the numerator
Answer:
<h2>
43°</h2>
Step-by-step explanation:
The sum of measures of angles in triangle is 180°, so the measure of the ohter acute angle:
180° - 90° - 47° = 43°
Answer:
The answer to the question provided is 
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Answer:
f^-1 (x) = -21x + 7 is your answer
