Solve.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. 1
in.
B. 
in.
C. 
in.
D. 
in.
Answer: C
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The management of UNICO Department Store decides to enclose an 
area outside their building to display potted plants. The enclosed area will be a rectangle, one side of which is provided by the external walls of the store. Two sides of the enclosure will be made of pine board, and the fourth side will be made of galvanized steel fencing material. If the pine board fencing costs $8/running foot and the steel fencing costs $4/running foot, determine
the dimensions of the enclosure that will cost the least to erect. Round your answers to two decimal places.
?
What will be an ideal response?
Draw a valid conclusion from the following argument or write “no conclusion possible:” If a quadrilateral is a kite, then it has two pairs of congruent sides. Quadrilateral ABCD has two pairs of congruent sides.
What will be an ideal response?
Solve the equation by completing the square.x2 - 8x + 12 = 0
A. {
, -1}
B. {-6, -2}
C. {10, 2}
D. {6, 2}
Find the center, transverse axis, vertices, foci, and asymptotes of the hyperbola.
- 
= 1
A. center at (0, 0)
transverse axis is x-axis
vertices at (-4, 0) and (4, 0)
foci at (- 4
, 0) and (4
, 0)
asymptotes of y = - 3 and y = 3
B. center at (0, 0)
transverse axis is x-axis
vertices at (-4, 0) and (4, 0)
foci at (-12, 0) and (12, 0)
asymptotes of y = - 3 and y = 3
C. center at (0, 0)
transverse axis is x-axis
vertices at (-12, 0) and (12, 0)
foci at (- 4
, 0) and (4
, 0)
asymptotes of y = - 3 and y = 3
D. center at (0, 0)
transverse axis is y-axis
vertices at (0, -4) and (0, 4)
foci at (- 4
, 0) and (4
, 0)
asymptotes of y = - 3 and y = 3