Solve the problem.A ball is thrown downward from a window in a tall building. Its position at time t in seconds is 
where s is in feet. How long (to the nearest tenth) will it take the ball to fall 267 feet?
A. 3.0 sec
B. 3.2 sec
C. 4.1 sec
D. 10.2 sec
Answer: B
Mathematics
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Use reduction formulas to evaluate the integral.
A. 
+ C
B. 
+ C
C. 
+ C
D. 
+ C
Mathematics
Simplify.
A. 
B. 
C. - 
D. 
Mathematics
Perform the indicated operation.Add.1.7x3 + 7.1x2 + 4.8 6.8x - 2.9
A. 12.8x6 + 11.8 B. 1.7x3 + 10.9x2 + 5.8x - 8 C. 1.7x3 + 3.3x2 + 6.8x + 11.8 D. 1.7x3 + 3.3x2 + 7.8x + 11.8
Mathematics
For the expression,a) determine the number of terms;b) write down each term; andc) write down the coefficient for each.Be sure to simplify the expression before answering.6(-3y + z) - (z - 9y)
A. a) 2 b) -27y, 5z c) -27, 5 B. a) 2 b) -9y, 6z c) -9, 6 C. a) 2 b) -9y, 5z c) -9, 5 D. a) 2 b) -12y, 5z c) -12, 5
Mathematics