Solve the problem.A $98,000 trust is to be invested in bonds paying 7%, CDs paying 6%, and mortgages paying 10%. The bond and CD investment must equal the mortgage investment. To earn an $8020 annual income from the investments, how much should the bank invest in bonds?
A. $18,000
B. $49,000
C. $31,000
D. $16,000
Answer: A
Mathematics
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Solve the problem.Find the volume of the solid generated by revolving the region in the first quadrant bounded by the coordinate axes, the curve y = e-2x, and the line x = 8 about the y-axis.
A. 
?(1 - 17 e-16)
B. - 
?(1 + 17 e-16)
C. 
?(1 - 16 e-16)
D. 
?(1 - 15 e-16)
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Find the limit.
A. 
B. 
C. 
D. 1
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Rationalize the denominator. Assume variables represent non-negative values.
A. 14
B. 1
C. 
D. 14
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Find the standard form of the equation of the ellipse with vertices at (0, 7) and foci at (0, 4).
a. 
b. 
c. 
d. 
Mathematics