Simplify the rational expression.
A. 
B. 
C. 
D. 
E. 
Answer: B
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Solve the problem.At a lumber company, shelves are sold in 4 types of wood, 3 different widths and 3 different lengths. How many different types of shelves could be ordered?
A. 10 B. 36 C. 48 D. 21
Use the vertical-line test to determine whether the graph represents a function.
A. Yes B. No
Find the vertex, focus, and directrix of the parabola with the given equation.(x - 4)2 = -8(y - 3)
A. vertex: (-4, -3) focus: (-4, -5) directrix: y = -1 B. vertex: (4, 3) focus: (4, 1) directrix: y = 5 C. vertex: (4, 3) focus: (4, 5) directrix: x = 1 D. vertex: (3, 4) focus: (3, 2) directrix: y = 6
Solve the problem.A laminated lab bench has 
of plywood, 
of pressed board, and 
of formica. What is the thickness of the lab bench?
A. 1
in.
B. 
in.
C. 
in.
D. 3
in.