Answer:
y=1/2x-1
Step-by-step explanation:
cos R = adj/hyp
R = cos⁻¹(9/10) = 25.8419327... ≈ 25.8°
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14.5
12×12=144 5×6=30 144+30=174 3×4=12 174/12=<em>14.5</em>
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