Solve the inequality. Express your answer using interval notation. Graph the solution set.8x + 7 ? 7x + 11
A. [18, ?)
B. (-?, 4]
C. [4, ?)
D. (-?, 4)
Answer: B
Mathematics
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Solve.Find the volume generated when the shaded region is revolved about the y-axis.
A. 28 - 7?
B. 7? + 7?2
C. 14? - 
?2
D. 28? - 7?2
Mathematics
Multiply. Write the result in the form a + bi.(3 + i
)(3 - i
)
A. 13 B. 5 C. 25 D. 9 + 4i
Mathematics
Answer true or false.
? Irrationals
A. True B. False
Mathematics
Solve the problem.A circle has a diameter with endpoints (-2, 1) and (22, 11). Find the radius.
A. 26
B. 
C. 13
D. 
Mathematics