Find the real solutions of the equation.
- 
= 3
A. 
B. 
C. 
D. 
Answer: A
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Use De Moivre's theorem to evaluate the expression. Write the result in standard form.(-i)11
A. 1 B. -1 C. -i D. i
Multiply.(4x + 6)(4x - 5)
A. 8x2 + 4x - 30 B. 16x2 + 4x + 4 C. 8x2 + 4x + 4 D. 16x2 + 4x - 30
Solve the problem.A $186,000 trust is to be invested in bonds paying 8%, CDs paying 6%, and mortgages paying 10%. The sum of the bond and CD investment must equal the mortgage investment. To earn an $15,840 annual income from the investments, how much should the bank invest in bonds?
A. $48,000 B. $46,000 C. $45,000 D. $93,000
Find the nth term and the indicated term of the arithmetic sequence whose initial term, a, and common difference, d, are given.a = 7; d = 5an = ?; a14 = ?
A. an = 2 + 5n; a14 = 72 B. an = 2 + 5n; a14 = 47 C. an = 2 - 5n; a14 = 72 D. an = 7 + 5n; a14 = 72