Solve the problem.A balloon used in surgical procedures is cylindrical in shape. As it expands outward, assume that the length remains a constant 
Find the rate of change of surface area with respect to radius when the radius is 
(Answer can be left in terms of ?).
A. 60.16? mm2/mm
B. 120.0? mm2/mm
C. 60.32? mm2/mm
D. 120.32? mm2/mm
Answer: D
Mathematics
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Evaluate the expression for the given value of x.
?
A. 
B. 
C. 
D. 48
E. -48
Mathematics
Simplify the expression.
?
Fill in the blank(s) with the appropriate word(s).
Mathematics
Solve the linear inequality. Other than ?, use interval notation to express the solution set and graph the solution set on a number line.8x - 4 ? 7x - 8
A. (-?, -4]
B. [-4, ?)
C. (-?, -4)
D. (-12, ?)
Mathematics
Evaluate the expression.(4-7) ? (44)
A. 16
B. 
C. 
D. 64
Mathematics