Match the equation of the ellipse with the appropriate description.16x2 + 49y2 = 3136
A. x-intercepts (8, 0), (-8, 0); y-intercepts (0, 14), (0, -14)
B. x-intercepts (14, 0), (-14, 0); y-intercepts (0, 8), (0, -8)
C. x-intercepts (196, 0), (-196, 0); y-intercepts (0, 64), (0, -64)
D. x-intercepts (64, 0), (-64, 0); y-intercepts (0, 196), (0, -196)
Answer: B
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Find the future value.$19,691 invested for 9 years at 3% compounded semiannually
A. $25,692.29 B. $25,785.82 C. $25,768.54 D. $25,742.84
Find an equation of a parabola satisfying the given conditions.Focus at (9, 0), directrix x = -9
A. y = 
x2
B. -36y = x2
C. x = 
y2
D. y2 = -36x
Answer the question.Consider the numbers -14, -
, -108, 
, -
, 5.
. Which are rational numbers?
A. -14, -108, 
, -
, 5.
B. -14, -108, 
,
C. -14, -108
D. -
, 5.
Find the expected value.Mr. Cameron is sponsoring an summer concert. He estimates that he will make $300,000 if it does not rain and make $60,000 if it does rain. The weather bureau predicts the chance of rain is 0.34 for the day of the concert. An insurance company is willing to insure the concert for $150,000 against rain for a premium of $30,000. If he buys this policy, what are his expected earnings from the concert?
A. $180,000 B. $300,000 C. $270,000 D. $239,400