Solve the problem. Assume all numbers are approximate unless otherwise stated or the number has been determined by a definition or counting process.At some point in the decimal equivalent of a rational number, some sequence of digits will start repeating endlessly. An irrational number never has an endlessly repeating sequence of digits. If the fraction 
is a rational number, which decimal equivalent digits indicate this?
A. 15
B. 13
C. 3
D. The fraction is irrational.
Answer: C
Mathematics
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Simplify by writing the expression with positive exponents. Assume that all variables represent nonzero real numbers.
A. 76 B. 718 C. 71 D. 713
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Use substitution to determine whether the given number is a zero of the given polynomial.2; f(x) = -x4 + 2x2 - x - 9
A. Yes B. No
Mathematics
Distribute and simplify.y5/9(y2/9 - 8y3/9)
A. y10/81 - 8y15/81 B. y5/2 - 8y5/3 C. y7/9 - 8y8/9 D. y3/9 - 8y2/9
Mathematics
Answer the question.A pair of fair dice are rolled. Let E be the event that a one shows on the first die. Let F be the event that the total showing is even. Are E and F independent events?
A. Yes B. No
Mathematics