A total of $23,000 is invested in two corporate bonds that pay 3.5% and 5% simple interest. The investor wants an annual interest income of $880 from the investments. What amount should be invested in the 3.5% bond?
?
A. $22,800
B. $18,000
C. $23,000
D. $18,300
E. $18,100
Answer: B
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Find the extreme values of the function subject to the given constraint.
A. Maximum: 400 at 
minimum: -400 at 
B. Maximum: 400 at 
and 
minimum: -400 at 
and 
C. Maximum: 400 at 
and 
minimum: -400 at 
and 
D. Maximum: 400 at 
minimum: 0 at 
Find an upper bound for the magnitude |E| of the error in the approximation f(x, y) ? L(x, y) at the given point over the given region R.
at 
; R: |x - 1| ? 0.1, |y - 1| ? 0.1, |z - 1| ? 0.1
A. |E| ? 0.36 B. |E| ? 0.28 C. |E| ? 0.336 D. |E| ? 0.3
Find the GCF for the group of monomials.21x4y2, 189x9y, and 441x5y5
A. 189x4 B. 3969x5 C. 21x5y5 D. 21x4y
Use the preference table to answer the question.A condominium association is holding an election for president of the board of directors. Each member ranks the candidates from first to fourth. The preference table below shows the results of the ballots with candidates Abbott(A), Blake (B), Cleary (C), and Downs (D). 
Determine the winner using the Borda count method.
A. Abbott B. Blake C. Downs D. Cleary