Three learners (L, N, and A) are competing for one reward. The school governing body must choose the winner based on the learners' marks for three subjects in the first quarter of the school year. The marks are shown below: Learners' marks Subject L N A 1 58 75 98 2 74 83 75 3 90 95 67 Which of the three learners will be chosen for an award based on the average mark and consistency throughout the quarter? A. L B. A C. N D. N and A

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Q: Refer to image.

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A: Solution : 1) cos(θ)=0.4917 ⇒θ=cos-10.4917 ⇒θ=±60.55°+360°k Where k∈ℤ 2) θ=tan-18.031 ⇒θ=82.9°+180°k…

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A: Please find step by step answer below:

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