Solve. Give your answer as a mixed number if appropriate. 
= 
A. 5
B. 8
C. 7
D. 3
Answer: B
Mathematics
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Solve the problem.The sum of three numbers is -4. The first, minus the second, plus 3 times the third, is 2. The third, plus 2 times the first, plus the second, is -1. What are the numbers?
A. 3, 3, -5 B. No solution C. -3, 5, 2 D. 3, -5, -2
Mathematics
Find projv u.v = 2i - 2j - 4k, u = 5i - 12k
A. 
i - 
k
B. 
i - 
j - 
k
C. 
i - 
j - 
k
D. 
i - 
k
Mathematics
Find any numbers for which the rational expression is undefined.
A. x = 9 B. x = 0 C. x = -9 D. none
Mathematics
Determine whether the equation is quadratic.x3 - 2x2 + x = 0
A. Yes B. No
Mathematics