Find the exact or approximate circumference of the circle, as indicated.Find the approximate circumference. Use ? ? 3.14.
A. 31.4 m
B. 125.6 m
C. 1256 m
D. 62.8 m
Answer: D
Mathematics
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Sketch D and g(D) from the description of D and change of variables 
x = 3u, y = 
v where D is the rectangle 0 ? u ? 2, 1 ? v ? 4 
?
A.
 ? |  |
B.
 ? |  |
C.
 ? |  |
D.
 ? |  |
Mathematics
Subtract in the indicated base.11,0002 - 1112
A. 10,0112 B. 11,0012 C. 10,0012 D. 10,0002
Mathematics
Graph the parabola and label the vertex. Find the x-intercept.x = 
y2
A. vertex (0, 0), x-intercept (0, 0)
B. vertex (0, 0), x-intercept (0, 0)
C. vertex (0, 0), x-intercept (0, 0)
D. vertex (0, 0), x-intercept (0, 0)
Mathematics
Simplify the expression. Assume that all variables are non-negative.
A. x6
B. x7
C. x7
D. x6
Mathematics