Solve and graph the solution set on a number line.|7x + 7| - 5 > -2
A. ?
B. 
C. 
D. 
? 
Answer: D
Mathematics
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Find the exact value of the expression.sin 260° cos 20° - cos 260° sin 20°
A. - 
B. - 
C. 
D. 
Mathematics
Use properties of logarithms to expand the logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator.log
A. -10x B. log x -1 C. log x + 1 D. 10x
Mathematics
Use Gaussian elimination to find the complete solution to the system of equations, or state that none exists. x + y + z = 7 x - y + 2z = 7
A. {(8, -3, 2)}
B. {(4, 1, 2)}
C. {(- 
z + 7, 
z, z)}
D. {(-3z + 14, 2z - 7, z)}
Mathematics
Find the power rounded to three significant digits.
A. 0.012 B. 0.0126 C. 0.0146 D. 0.0116 E. 0.013
Mathematics