At the outside wall the roof is 9 feet high. The slope of the roof is 1.28 feet per foot. What is the height of the roof 4 horizontal feet from the outside wall toward the interior of the room?
?
A. 15.06 feet
B. 12.13 feet
C. 12.44 feet
D. 14.12 feet
Answer: D
Mathematics
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Add or subtract, if possible. Assume that all variables represent non-negative values. Simplify your answer. 
- 
A. -6
B. -42
C. -6
D. 12
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Find the derivative of y with respect to the appropriate variable.y = (6 - 6?) tanh-1 ?
A. 
B. 
- 6 tanh-1 ?
C. 
- 6 tanh-1 ?
D. 
- 6 tanh-1 ?
Mathematics
Factor the difference of cubes.x3 - 343
A. (x + 7)(x2 - 7x + 49) B. (x - 7)(x2 + 7x + 49) C. (x - 7)3 D. Prime
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Identify the digit with the given place value.176.375 thousandths
A. 5 B. 0.005 C. 7 D. 100
Mathematics