Solve the problem. Round rates to the nearest tenth of a percent and dollar amounts to the nearest cent.Bob's Tires manufactures steel-belted radials at a cost of $53.66 each. Bob then sells the tires at a 44.8% markup based on cost. Find (a) the markup, (b) the selling price, and (c) the markup as a percent of selling price.
A. (a) $119.78
(b) $173.44
(c) 69.1%
B. (a) $24.04
(b) $77.70
(c) 44.8%
C. (a) $24.04
(b) $77.70
(c) 30.9%
D. (a) $119.78
(b) $173.44
(c) 223.2%
Answer: C
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Solve the problem.The graphs below show the first and second derivatives of a function 
. Select a possible graph of f that passes through point P.f'?f"
?
A. 
[NOTE: Graph vertical scales
may vary from graph to graph.]
B. 
[NOTE: Graph vertical scales
may vary from graph to graph.]
C. 
[NOTE: Graph vertical scales
may vary from graph to graph.]
D. 
[NOTE: Graph vertical scales
may vary from graph to graph.]
Solve the problem.A data set consists of 935 lightbulbs. Over a long period of time, the lifetimes of those lightbulbs have been tested. It has been found that the mean and standard deviation are known and the lifetimes of the bulbs are normally distributed. What number of bulbs within this data set will have lifetimes that lie within 3 standard deviations to either side of the mean? Round your answer to the nearest whole number.
A. 935 B. 466 C. 785 D. 933
Provide an appropriate response.Use the following sets to give the elements in the indicated sets: U = {-3, -2, -1, 0, 1, 2, 3}, A = {-3, -2, -1}, B = {0, 1, 2}B'
A. {-3, -2, -1} B. {0, 1, 2} C. {-3, -2, -1, 3} D. {0, 1, 2, 3}
Find the indicated matrix.Let A = 
and B = 
. Find 
A. 
B. 
C. 
D. 