Solve.The difference of triple a number and 
is equal to the sum of the number and 
. Find the number.
A. 
B. 
C. 
D. - 
Answer: B
Mathematics
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Solve the problem.Set up the triple integral for the volume of the sphere 
in spherical coordinates.
A. 
B. 
C. 
D. 
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Find the area of the triangle. If necessary, round the answer to two decimal places.a = 4, b = 5, c = 7
A. 9.80 B. 3.46 C. 10.01 D. 16.01
Mathematics
Solve the equation for solutions in the interval [0, 2?).sin x cos x = 
A. 
B. 
C. 
D. {0}
Mathematics
Solve the problem.By switching service providers, a family's telephone bill decreased from about $50 a month to about $43. What was the percent of decrease?
A. 7% B. 16.3% C. 14% D. 15%
Mathematics