Factor completely.-x2 - 3x + 10
A. -(x - 5)(x - 2)
B. -(x + 5)(x - 2)
C. -(x - 5)(x + 2)
D. -(x - 5)(x + 1)
Answer: B
Mathematics
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cot ?
A. 
B. 1
C. 
D. 
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Solve the equation.ln x + ln (x - 1) = ln 90
A. 10, -9
B. 10
C. 
D. -9
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Combine like terms, if possible.9a - 2a + 7
A. -7a + 7 B. 7a + 7 C. 14a D. Cannot be simplified
Mathematics
Rewrite the polynomial in descending order.-10 - 8p2 + 5p9 + 4p3 + 2p
A. -10 + 2p - 8p2 + 4p3 + 5p9 B. -8p2 + 2p + 4p3 + 5p9 - 10 C. -10 - 8p2 + 5p9 + 4p3 + 2p D. 5p9 + 4p3 - 8p2 + 2p - 10
Mathematics