Graph using a graphing calculator.(x - 6)2 + (y + 1)2 = 16
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Find the measure of the dihedral angle indicated.The figure shown is a right prism whose bases are regular nonagons. Find the measure of the dihedral angle between adjacent lateral faces.
A. 40° B. 140° C. 144° D. 90°
Mathematics
Refer to the weighted voting system 
and the Banzhaf definition of power. (The four players are P1, P2, P3, and P4.)What is the total number of winning coalitions?
A. 5 B. 1 C. 15 D. 3 E. none of these
Mathematics
Determine whether the given function is one-to-one. If it is one-to-one, find a formula for the inverse.f(x) = 2x2 - 5, x ? 0
A. f-1(x) = 
B. f-1(x) = 
C. f-1(x) = 
D. Not one-to-one
Mathematics
Express the number in scientific notation.224.66
A. 2.2466 × 10-3 B. 2.2466 × 102 C. 2.2466 × 10-2 D. 2.2466 × 103
Mathematics