Solve the system of equations by the substitution method. If the system does not have a single ordered pair as a solution, state whether the system is inconsistent or dependent.5x + 6y = 12 3x + 2y = 4
A. (0, 3)
B. No solution; inconsistent
C. (0, 2)
D. (-1, 3)
Answer: C
Mathematics
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Find the work done by F over the curve in the direction of increasing t.F = - 
i + 
j + 
k; C: r(t) = 
i + 
j + 7tk, 0 ? t ? 
A. W = 
+ 
?2
B. W = 
+ 
?2
C. W = 
+ 
?2
D. W = 
+ 
?2
Mathematics
Factor completely. If a polynomial cannot be factored, say it is prime.x2 - 3x - 28
A. (x + 7)(x + 4) B. (x + 7)(x + 1) C. prime D. (x - 7)(x + 4)
Mathematics
Evaluate the function at the given value.f(x) = 2x + 8; f(6)
A. 4 B. 10 C. 60 D. 20
Mathematics
Simplify.
A. 
B. 
C. 
D. 
Mathematics