Solve the problem.The surface area A of a right circular cylinder is A = 2?r2 + 2?rh, where r is the radius and h is the height. Find the radius of a right circular cylinder whose surface area is 95.36? square inches and whose height is 11.7 inches.
A. 3.6 in.
B. 3.2 in.
C. 2.5 in.
D. 2.8 in.
Answer: B
Mathematics
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The data in the figure below represents the annual salaries of 120 professional mathematicians.
The mean salary for this group of mathematicians is
A. the same as the median. B. less than the median. C. $50,000. D. greater than the median. E. none of these
Mathematics
Graph the function.y = 4 cot 
(x - ?)
A. 
B. 
C. 
D. 
Mathematics
Simplify, if possible.
A. -6x
B. -1
C. 
D. 1
Mathematics
Find the x-intercepts of the function.g(x) = x2 + 14x + 38
A. ( -14 + 
, 0)
B. (7 - 
, 0), (7 + 
, 0)
C. (7 - 
, 0), ( 7 + 
, 0)
D. (-7 - 
, 0), ( -7 + 
, 0)
Mathematics