Solve the problem.Mardi received an inheritance of $50,000. She invested part at 8% and deposited the remainder in tax-free bonds at 9%. Her total annual income from the investments was $4100. Find the amount invested at 8%.
A. $40,000
B. $45,900
C. $20,000
D. $39,000
Answer: A
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Rotate the coordinate axes to change the given equation into an equation which has no cross product (xy) term. Identify the graph of the equation as a hyperbola, ellipse, parabola, a straight line, or parallel lines.7x2 - 4xy + 11y2 - 7x + 3y - 10 = 0
A. 6.172u2 + 7.828v2 - 6.467u + 5.450v = 0; Ellipse B. 11.828u2 - 11.828v2 + 5.450u - 5.319v - 10 = 0; Hyperbola C. 6.172u2 + 11.828v2 - 5.319u + 5.450v - 10 = 0; Ellipse D. 6.172u2 - 11.828v2 - 5.319u + 5.450v - 10 = 0; Hyperbola
Provide an appropriate response.Find x, the length of the tangent segment.
A. 3
B. 
C. 3
D. 6
Provide an appropriate response.Explain how (a - b)3 differs from a3 - b3 by expanding (a - b)3.
What will be an ideal response?
Find the next term of the sequence. ? 3, 6, 10, 15, ... ?
A. 21 B. 25 C. 46 D. 22 E. 20