Find the sum.-17 + 20
A. -3
B. -37
C. 3
D. 37
Answer: C
Mathematics
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Determine where the function is increasing and where it is decreasing.f(x) = -x2 - 2x
A. increasing on (-1, ?) decreasing on (-?, -1) B. increasing on (-?, 1) decreasing on (1, ?) C. increasing on (-?, -1) decreasing on (-1, ?) D. increasing on (1, ?) decreasing on (-?, 1)
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Solve.Approximately 28.1% of all students at a city college commute to school. Write this percent as a fraction or mixed number in simplest form.
A. 
B. 28
C. 2
D. 
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Solve the equation.log15(x + 30) = 3 - log15x
A. {75} B. {-75} C. {-45} D. {45}
Mathematics