Solve the equation.6(x + 3) - (6x + 18) = 0
A. {0}
B. {?}
C. {3}
D. {all real numbers}
Answer: D
Mathematics
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Given f(x) and g(x), find 
.f(x) = 6x3 - 7x2 - 7x + 18 and g(x) = 2x + 1
A. 
= 3x2 - 5x - 1 + 
B. 
= 3x2 - 5x - 1
C. 
= x2 - 1 + 
D. 
= 3x2 - 5x - 1 + 
Mathematics
A single die is rolled twice, and the equally likely 36 outcomes are shown.
Find the probability of two numbers whose sum is 13.
A. 
B. 1
C. 
D. 0
Mathematics
Solve the problem.One pump can drain a pool in 7 minutes. When a second pump is also used, the pool only takes 3 minutes to drain. How long would it take the second pump to drain the pool if it were the only pump in use?
A. 2
min
B. 
min
C. 5
min
D. 17 min
Mathematics
Subtract the real numbers. Write any improper fraction as a whole or mixed number where appropriate.-10.9 - (-1.6)
A. 12.5 B. 9.3 C. -12.5 D. -9.3
Mathematics