Solve the problem.Working together, Rick and Juanita can complete a job in 6 hours. It would take Rick 9 hours longer than Juanita to do the job alone. How long would it take Juanita alone?
A. 3 hr
B. 6 hr
C. 9 hr
D. 15 hr
Answer: C
Mathematics
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Write the negation of the conditional statement.If there is a flood, then all doctors are on call.
A. There is not a flood and some doctors are not on call. B. If there is a flood, then some doctors are not on call. C. There is a flood and some doctors are not on call. D. There is a flood and no doctors are on call.
Mathematics
Solve the equation.x4 - 31x2 + 150 = 0
A. {25, 6}
B. {5, 
}
C. {-5, 5, -i
, i
}
D. {-5, 5, -
, 
}
Mathematics
Simplify the radical expression. Assume that all variables represent positive real numbers.
A. 27 B. 3 C. 9 D. not a real number
Mathematics
Write out the first five terms of the sequence.an = 2(2n - 3)
A. -2, -4, -6, -8, -10 B. -1, 1, 3, 5, 7 C. -2, 2, 6, 10, 14 D. -6, -2, 2, 6, 10
Mathematics