Subtract and simplify. Write the answer as a mixed number if possible.16 - 9
A. 7
B. 15
C. 6
D. 7
Answer: C
Mathematics
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Find the average value of 
over the given region.
over the cube in the first octant bounded by the coordinate planes and the planes 
, 
, 
A. 
B. 
C. 243
D. 
Mathematics
Use the half-angle formulas to simplify the given expression.
A. 
sin 0.8?
B. 4 sin 0.8?
C. 2 sin 3.2?
D. 4 sin 3.2?
Mathematics
Solve the problem.A ball dropped from the top of a building has a height of s = 576 - 16t2 meters after t seconds. How long does it take the ball to reach the ground? What is the ball's velocity at the moment of impact?
A. 12 sec, -96 m/sec B. 6 sec, 192 m/sec C. 36 sec, -1152 m/sec D. 6 sec, -192 m/sec
Mathematics
Find functions f and g so that f ? g = H.H(x) = 
A.
f(x) =  ; | g(x) = 3x + 6 |
B.
f(x) =  ; | g(x) = 9 |
C.
| f(x) = 9; | g(x) =  |
D.
f(x) =  ; | g(x) = 3x + 6 |
Mathematics