Solve the equation by the square root property. If possible, simplify radicals or rationalize denominators. Express imaginary solutions in the form 
x2 - 4x + 4 = 81
A. {-7, 11}
B. {-11, 7}
C. {11}
D. {-79, 83}
Answer: A
Mathematics
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Solve.Use the magic penny parable to determine how many days would elapse before you had a total of over $2,048,947.
A. 32 days B. 20 days C. 28 days D. 37 days
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Find the probability.In a certain college, 33% of the physics majors are ethnic minorities. A random sample of 10 physics majors is chosen. Find the probability that 7 or more are ethnic minorities. Round to the nearest ten-thousandth.
A. 0.0028 B. 0.0185 C. 0.0154 D. 0.0032
Mathematics
Mathematics
Decide whether the given sequence is finite or infinite.a1= 8; for n ? 2, an= 2?an-1
A. Finite B. Infinite
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