Translate the problem to a system of equations; then solve using the elimination method.Mardi received an inheritance of $70,000. She invested part at an APR of 8 percent and deposited the remainder in tax-free bonds at an APR of 10 percent. Her total annual income from the investments was $6200. Find the amount invested at 8 percent.
A. $40,000
B. $63,800
C. $39,000
D. $20,000
Answer: A
Mathematics
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Provide an appropriate response.Rationalize the numerator and simplify: 
A. 
B. 
C. 
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Multiply.(3x + 13)(3x - 13)
A. 9x2 + 78x - 169 B. x2 - 169 C. 9x2 - 78x - 169 D. 9x2 - 169
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Find the absolute maximum and absolute minimum values of the function, if they exist, over the indicated interval. When no interval is specified, use the real line (-?, ?). f(x) = x4 - 8x2
A. Absolute maximum: 0; no absolute minimum B. Absolute maximum: 0; absolute minimum: -16 C. No absolute maximum; absolute minimum: -16 D. No absolute extrema
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Provide an appropriate response.Given that f(x) = 
, where a and b are natural numbers and a > b, find
f(x).
A. 0 B. -? C. ? D. -1
Mathematics