What are the angle measures in triangle ABC?

m∠A = 90°, m∠B = 30°, m∠C = 60°

m∠A = 60°, m∠B = 90°, m∠C = 30°

m∠A = 90°, m∠B = 60°, m∠C = 30°

m∠A = 60°, m∠B = 30°, m∠C = 90°

The function f (x) = 4500 (0.98) ^x represents the value in dollars of a vehicle x years after it has been purchased new. What is the average rate of change in value per year between years 5 and 10? A. - $3676.83/year B. - $0.98/year C. - $78.

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