Angle α lies in quadrant II, and tanα=−12/5. Angle β lies in quadrant IV, and cosβ=3/5. What is the exact value of sin(α+β)?

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Can anyone me with 32,33,36,37,and 40.

Steve wants to develop a way to find the total cost of any item including sales tax. the sales tax in his city is 6%. his friend jenna writes the expression x + 6x where x is the cost of the item. explain whether her expression is correct based on the situation.

Which of the following graphs could represent a cubic function?