Find the indicated term of the geometric sequence.a1 = 7, r = ; Find a5.

A. a5 =  
B. a5 =  
C. a5 = 
D. a5 = 

Answer: D

Mathematics

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Write the equation of the line with the given slope and y-intercept.Slope = 9.5, y-intercept = -4

A. y = -4x + 9.5 B. y = 4.5x - 9 C. y = -9.5x + 4 D. y = 9.5x - 4

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Mathematics

Solve the problem.Find an equation for the level surface of the function f(x, y, z) = ln that passes through the point .

A. ln   = 
B.    = e16
C.    = e13
D. ln   = 16

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Mathematics

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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Mathematics

Solve.m - 1 ? -5

A. m ? 4 B. m ? -4 C. m ? -6 D. m ? 6

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Mathematics