Solve the quadratic inequality symbolically. Write your answer in interval notation.x2 + x - 4 ? 0
A. 
, 
B. 
? 
C. 
? 
D. 
? 
Answer: B
Mathematics
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Convert the length as indicated.60 inches to feet
A. 180 ft B. 5 ft C. 0.42 ft D. 20 ft
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Use the given transformation to evaluate the integral. src="https://sciemce.com/media/4/ppg__10615191636__f1q38g7.jpg" alt="" style="vertical-align: -4.0px;" /> 
Rwhere R is the parallelepiped bounded by the planes 
A. 510
B. 4590
C. 1020
D. 9180
Mathematics
Use Cramer's rule to solve the system. If D = 0, use another method to complete the solution.5x + 2y + z = -223x - 3y - z = -73x + y + 3z = -3
A. {(-4, 4, -3)} B. {(4, -3, -4)} C. ? D. {(-4, -3, 4)}
Mathematics
Evaluate.3x2 + 4xy - 3y2 for x = -4 and y = 3
A. -69 B. 177 C. 5 D. -27
Mathematics