Solve the problem.A window washer accidentally drops a bucket from the top of a 144-foot building. The height h of the bucket after t seconds is given by 
When will the bucket hit the ground?
A. -3 sec
B. 9 sec
C. 3 sec
D. 48 sec
Answer: C
Mathematics
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Find the derivative of y with respect to the appropriate variable.y = sinh-1 (cos x)
A. 
B. 
C. 
D. - sin x
Mathematics
Evaluate the integral.
A. - 
ln
+ C
B. - 
+ C
C. 
- 7 ln
D. - 
ln
+ C
Mathematics
Identify the conic section as a circle, parabola, ellipse, or hyperbola.
A. Hyperbola B. Parabola C. Circle D. Ellipse
Mathematics
Divide. Write a mixed numeral for the answer.26
÷ 30
A. 800
B. 1
C. 
D. 
Mathematics