Factor completely.9x2 - 42x + 49
A. (3x + 7)2
B. (3x - 7)2
C. Cannot be factored
D. (3x - 7)(3x + 7)
Answer: B
Mathematics
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Solve the system of equations by the substitution method. Check your solutions. For any dependent equations, write your answer in the ordered pair form.
A. {(0, 12)} B. {(-12, 0)} C. {(12, 0)} D. {(0, -12)}
Mathematics
Solve for the indicated variable.S = 
, for m
A. m = 
B. m = 
C. m = 
D. m = 
Mathematics
Graph the solution of the system of linear inequalities.
A. 
B. 
C. 
D. 
Mathematics
Determine whether the integral is convergent or divergent.
+ x3)dx
A. Convergent B. Divergent
Mathematics