Solve the problem.A $128,000 trust is to be invested in bonds paying 9%, CDs paying 6%, and mortgages paying 10%. The sum of the bond and CD investment must equal the mortgage investment. To earn an $10,900 annual income from the investments, how much should the bank invest in bonds?
A. $22,000
B. $42,000
C. $20,000
D. $64,000
Answer: A
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What is the period of the graph of y= 3cos?x?
What will be an ideal response?
Find the slope of the line that passes through the given two points. If the slope is undefined, state this.(-4, 9) and (6, -3)
A. - 
B. - 
C. - 
D. - 
Solve the problem.Alan is building a garden shaped like a rectangle with a semicircle attached to one short side. If he has 30 feet of fencing to go around it, what dimensions will give him the maximum area in the garden?
A. width = 
? 5.4, length = 8.1
B. width = 
? 8.4, length = 10.8
C. width = 
? 8.4, length = 4.2
D. width = 
? 4.2, length = 8.4
Use ZERO to approximate the positive x-intercepts of the equation. Round to two decimal places.y = x3 + 3x2 - 5x - 7
A. 1.76 B. 3.83 C. 1.91 D. 1.83