Convert the units using two or three unit fractions.205,920 in. = 
mi
A. 154,440
B. 39
C. 1,853,280
D. 3
Answer: D
Mathematics
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Perform the indicated operation or operations.
A. 
B. 
C. 
D. 
Mathematics
Graph the ellipse. Label the foci and the endpoints of each axis.
+ 
= 1
A. F(±2
, 0); V(0, ±4); U(±2, 0)
B. F(±
, 0); V(±3, 0); U(0, ±2)
C. F(±
, 0); V(±2, 0); no endpoints
D. F(0, ±
); V(0, ±3); U(±2, 0)
Mathematics
Solve.A polygon with n sides has D diagonals, where D is given by the function D(n) = 
. Find the number of sides n if 77 ? D ? 170.
A. {n|15 ? n ? 20} B. {n|14 ? n ? 20} C. {n|13 ? n ? 21} D. {n|12 ? n ? 21}
Mathematics
Graph the step function.f(x) = 
A. 
B. 
C. 
D. 
Mathematics