Solve the problem.To get credit for graduation, Brittany completed 40 hours of community service. She worked at a soup kitchen for 
of the time. She picked up litter along highways for 
of the time. The rest of the hours she spent tutoring younger children after school. How much time did Brittany spend tutoring?
A. 23 hours
B. 22 hours
C. 24 hours
D. 22
hours
Answer: B
Mathematics
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A prime number is a natural number that is larger than 1 and can only be divided exactly by itself and 1.Which of the following sets of numbers contains only prime numbers?
A. { 41, 27, 30 } B. { 28, 3, 41 } C. { 17, 27, 41 } D. { 3, 17, 4 } E. { 17, 18, 27 }
Mathematics
Determine the vertical asymptote(s) of the given function. If none exists, state that fact.R(x) = 
A. x = - 40 B. x = -10, x = 4 C. x = 10, x = -4 D. x = -10, x = 4, x = -3
Mathematics
Express the number in terms of i.
A. -5i
B. 
C. 
i
D. -
i
Mathematics
For problems 7-9, a 16-inch candle burns at a rate of 0.20 inches per hour. Find the zero of this function.
A. 
hours
B. 65 hours
C. 
hours
D. 80 hours
E. none of these
Mathematics