Graph the ellipse. Label the foci and the endpoints of each axis.4x2 + 16y2 = 64
A. F(0, ±2
); V(0, ±4); U(±2, 0)
B. F(±2
, 0); V(±4, 0); no endpoints
C. F(±
, 0); V(±5, 0); U(0, ±2)
D. F(±2
, 0); V(±4, 0); U(0, ±2)
Answer: D
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x - 24
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Solve.The radioactive decay of radium 226 can be described by the equation 
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A. 22.99 mg B. 24.006 mg C. 1.194 mg D. 22.037 mg
Multiply or divide, as indicated. Simplify the answer.
? 
A. 13 B. -13i C. -13 D. 13i
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