Graph the system of inequalities.x + 2y ? 2 x + y ? 0
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Solve the system of equations by the addition method.
A. (0, 0) B. (0, -14) C. (-6, -8) D. no solution
Mathematics
Calculate the arc length of the indicated portion of the curve r(t).r(t) = (7 + 2t2)i + (2t2 - 5)j + (5 - t2)k, -1 ? t ? 4
A. 51 B. 153 C. 135 D. 45
Mathematics
Simplify.
A. 
B. x - 5
C. 
D. x + 5
Mathematics
Solve the system of equations.
A. {(-1, 5, -4)} B. {(-4, -1, 5)} C. {(5, -4, -1)} D. {(5, -1, -4)}
Mathematics