Solve triangle ABC. If necessary, round the answer to the nearest tenth.B = 70°, C = 100°, a = 2 feet
A. A = 10°, b = 12.3 ft, c = 10.8 ft
B. A = 10°, b = 11.3 ft, c = 10.8 ft
C. A = 10°, b = 10.8 ft, c = 11.3 ft
D. A = 10°, b = 11.8 ft, c = 11.3 ft
Answer: C
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Use logarithmic differentiation to find the derivative of y with respect to the independent variable.y = x7 sin x
A. 7 sin x ln x
B. 7 cos x ln x + 
C. x sin x
D. 7 x7 sin x
Perform the indicated operation. Write the answer in simplest form. If the answer is an improper fraction, write it as a mixed number.
÷ 2
A. 
B. 
C. 5
D. 
Provide an appropriate response.Given the SSS parts of a triangle, is it better to use the law of sines or the law of cosines as the first step in solving the triangle? Explain.
What will be an ideal response?
Use the distributive property to rewrite the algebraic expression without parentheses. Then simplify the result, if possible.- 
(-7x + 14)
A. -2x B. 2x - 4 C. 2x + 4 D. -2x + 4