Solve 5m^2=60-20m using completing the square method.

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Q: Find the measure of 21. 40° 1 O 140 O 40 O 70

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Q: What is the measure of ZDBC? O 39 O 117" O 78° 24- 78°

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Q: Find the measure of 21 1 O 140 O 40 O 70 40°

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Q: Compute the determinant of the matrix

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