Answer the question.Julia preheated her oven for 15 minutes. What fraction of an hour was this? (1 hour = 60 min)
A. 
hr
B. 
hr
C. 
hr
D. 
hr
Answer: D
Mathematics
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Express the integrand as a sum of partial fractions and evaluate the integral.
A. 
- 4x - 12 ln
+ 
+ C
B. 
- 4x + 12 ln
+ 
+ C
C. 
- 4x + 6 ln
- 
+ C
D. 12 ln
+ 
- 
+ C
Mathematics
Find the exact value of the expression.tan-1 (1)
A. 
B. 
C. 
D. 
Mathematics
Rationalize the denominator. Assume all variables represent positive real numbers.
A. 9
+ 10
B. 7
- 6
C. 8
- 10
D. 8
- 6
Mathematics
Solve.14 - x2 ? 0
A. (-?, -
]
B. (-14, 14)
C. [-
, 
]
D. [
, ?)
Mathematics