Simplify the expression.-7 + 3(5 - 9x)
A. 27x + 8
B. -27x + 15
C. -9x + 8
D. -27x + 8
Answer: D
Mathematics
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Find the volume of the solid generated by revolving the region about the given axis. Use the shell or washer method.The region bounded by y = 7
, y = 7, and x = 0 about the y-axis
A. 
?
B. 
?
C. 
?
D. 
?
Mathematics
Solve the system using matrices. 9x - 8y + 4z = -19-27x + 24y - 12z = 57 18x - 16y + 8z = -38
A. (-3, 1, 5) B. No solution C. (-3, -3, -4) D. Infinitely many solutions
Mathematics
Solve using Cramer's rule.
A. (-5, -3) B. (3, 5) C. (-3, 5) D. (5, 3)
Mathematics
Perform the conversion.140,000 mg = kg
A. 1.4 B. 0.14 C. 14 D. 0.014
Mathematics