Find the exact value of the expression. Do not use a calculator.cos 10°sin 80° + sin 10°cos 80°
A. 0
B. -1
C. 2
D. 1
Answer: D
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Change the given polar coordinates (r, ?) to Cartesian coordinates (x, y).(4, 0)
A. (-4, 0) B. (0, -4) C. (4, 0) D. (0, 4)
Why is it important for companies to achieve competitive advantage?
A. Competitive advantage guarantees a firm's long-term success. B. Competitive advantages are impossible to overcome or imitate. C. Competitive advantages help to improve financial returns. D. Competitive advantages are inexpensive ways to build market power.
Solve.4x2 - 28 = 0
A. -
, 
B. ±7
C. 8
D. 14
Solve for the requested variable.The equation E = 0.0047x3 - 0.004x2 + 0.121x + 1.63 gives the approximate total earnings of a company, in millions of dollars, where
corresponds to 1996. Determine the earnings for 1998.
A. $2.08 million B. $1.93 million C. $1.89 million D. $1.75 million