Jake has been in band twice as many years as billy. Together they have been in band a total of 18 years. How long has billy been
1 answer:
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cos θ =
cos ∠N =
∠N = cos⁻¹
∠N = 60.65°
Answer: 61°
cos θ =
cos ∠N =
∠N = cos⁻¹
∠N = 60.65°
Answer: 61°