Solve. Write your answer in simplest form.A nail 3
inches long is driven into a board 2
inches thick. How much of the nail protrudes from the other side of the board?
A. 2
inches
B. 
inch
C. 
inch
D. 1
inches
Answer: D
Mathematics
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Provide an appropriate response.True or False? 15 is divisible by 3.
A. True B. False
Mathematics
Find the absolute value.|-77|
A. 77
B. -77
C. 
D. 0
Mathematics
Simplify.
A. - 
B. 
C. 
D. - 
Mathematics
Provide an appropriate response.If we are looking for the critical points 
on the surface of 
then we study the tangent lines to 
along the slices parallel to the 
and 
These tangent lines must have which of the
following properties?(i) They must be perpendicular.(ii) They must be horizontal.(iii) They must be horizontal, but not perpendicular. (iv) They must be perpendicular, but not horizontal. A. Only (iii) is correct. B. Only (ii) is correct. C. Both (i) and (ii) are correct. D. Only (iv) is correct.
Mathematics