Write the phrase as a mathematical expression. Use x as the variable.One-third of a number added to the difference of the number and 7
A. 
x + (x - 7)
B. 
x + (7 - x)
C. 
D. 
Answer: A
Mathematics
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Use spherical coordinates to find the volume of the indicated region.the region enclosed by the sphere 
and the cylinder 
A. 
(3? - 4)
B. 
(3? - 4)
C. 
(3? - 4)
D. 
(3? - 4)
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Find the acute angle between the lines.8x - 6y = -6 and 6x + 6y = 4
A. 0.1419 radians B. 0.1414 radians C. 3.000 radians D. 1.429 radians
Mathematics
Divide.6.3 ÷ 0.09
A. 70 B. 0.07 C. 0.7 D. 7
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Find the LCD of the list of fractions.- 
, 
A. 252 B. -126 C. 2 D. 126
Mathematics