The object shown in the figure is a cube (all edges are equal in length).
?
?
If the length of each edge of the cube shown in the figure is 1 inch0, find the length of diagonal CE.
?
A. 
inches
B. 
inch0
C. 
inches
D. 
inches
E. 
inches
Answer: D
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Solve the inequality and express the solution set in interval notation. Graph the solution set on the real number line.-5(6x + 12) < -35x - 15
A. x ? 9; [9, ?)
B. x > 9; (9, ?)
C. x ? 9; (-?, 9]
D. x < 9; (-?, 9)
Use transformations of graphs to sketch the graphs of y1 and y2. Graph y2 as a dashed curve.y1 = ?x?; y2 = ?x - 5?
A. 
B. 
C. 
D. 
Solve the problem.A flare fired from the bottom of a gorge is visible only when the flare is above the rim. If it is fired with an initial velocity of 128 ft/sec and the gorge is 192 ft deep, during what interval can the flare be seen? 
A. 2 sec < t < 6 sec B. 0 sec < t < 2 sec C. 6 sec < t < 10 sec D. 4 sec < t < 8 sec
Graph the polar equation.r = 
Identify the directrix and vertex. 
A. directrix: 1 unit(s) below
the pole at y = -1
vertex: 
B. directrix: 1 unit(s) to the right of
the pole at x = 1
vertex: 
C. directrix: 1 unit(s) above
the pole at y = 1
vertex: 
D. directrix: 1 unit(s) to the left of
the pole at x = -1
vertex: 
