Find all real solutions of the equation.
?
Fill in the blank(s) with the appropriate word(s).
84
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Find the exact value under the given conditions.sin ? = 
, 0 < ? < 
; cos ? = 
, 0 < ? < 
Find cos (? + ?).
A. 
B. 
C. 
D. 
Find the area.
A. 84 m2 B. 850 m2 C. 42 m2 D. 425 m2
Solve. Assume the exercise describes a linear relationship.In 2005, John invested $14,000 in the stock market. By 2010 his investment had grown to $15,400. Find an equation relating time and the value of the investment. If the market continues to grow at the same rate, how much will be in his account in 2016? Give your answer to the nearest dollar.
A. $15,401 B. $17,080 C. $15,681 D. $16,800
Use a graphing utility to find the equation of the line of best fit. Round to two decimal places, if necessary.
A. y = 10x - 3 B. y = 9.8x - 2.6 C. y = 9x - 3 D. y = 9.2x - 2.1