Divide and simplify. 
A. 4x2y
B. 2x2y
C. 28xy
D. 2x4y2
Answer: B
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Evaluate the integral.
A. 
sin 2x - 
sin 14x+ C
B. - 
cos 14x - 
sin 14 x + C
C. 
sin 2x + 
sin 14x+ C
D. - 
cos 14x - 
cos 2x + C
Add or subtract as indicated.
+ 
+ 
A. 
B. 
C. 
D. 
Provide an appropriate response.Suppose X is normally distributed with ? = 80 and ? = 15. Without using tables, approximate P(50 < X < 80).
Fill in the blank(s) with the appropriate word(s).
Solve the problem.The pressure of a gas varies jointly as the amount of the gas (measured in moles) and the temperature and inversely as the volume of the gas. If the pressure is 
kiloPascals (kPa) when the number of moles is 4, the temperature is 
, and the volume is 
, find the pressure when the number of moles is 2, the temperature is 
,
and the volume is 
.
A. 1,800 kPa
B. 900 kPa
C. 840 kPa
D. 1,920 kPa