Factor and, if possible, simplify the expression.sec4 x - tan4 x
A. sec2 x - tan2 x
B. 1
C. (sec2 x + tan2 x)2
D. sec2 x + tan2 x
Answer: D
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We have $55.71 to spend on drinks and chips. Drinks cost $0.74 each and chips cost $2.49 per bag. There are 5.00 times as many drinks as bags of chips. How many of each are bought? Round your answers to two decimal places. ?
A. 60.00 drinks and 12.00 bags of chips B. 9.00 drinks and 45.00 bags of chips C. 45.00 drinks and 9.00 bags of chips D. None of the above
A statement is made about correlation. State whether the correlation is positive or negative and whether the correlation is most likely due to coincidence, a common underlying cause, or a direct cause.When gasoline prices fall, the number of cars on the freeways increases.
A. Negative correlation; common underlying cause B. Positive correlation; common underlying cause C. Positive correlation; direct cause D. Negative correlation; direct cause
Integrate the function.
A. 
sin4 x - 
cos8 x + C
B. 
+ C
C. 
sin6 x - 
sin8 x + C
D. 
cos4 x - 
cos6 x + C
Rewrite with rational exponents.(
)3
A. 
3
B. (7mn)3/2
C. (7mn)2/3
D. 