Determine if the given ordered pair is a solution of the system of equations. HINT: There is no need to graph.(3, -1)3x = 8 - y4x = 9 - 3y

A. Yes
B. No


Answer: A

Mathematics

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Solve the problem.A certain radioactive isotope has a half-life of approximately 1700 years. How many years would be required for a given amount of this isotope to decay to 75% of that amount?

A. 425 yr B. 631 yr C. 706 yr D. 3400 yr

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A. 104.4% B. 114.84% C. 1148.4% D. 1044%

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Find the indicated intercept(s) of the graph of the function.y-intercept of f(x) = 

A. (0, 6) B. (0, -5) C. (0, 1) D. none

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