Find the indicated sum. Use the formula for the sum of the first n terms of a geometric sequence.

A.
B. - 
C.
D. - 


Answer: A

Mathematics

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Calculate.30 + (24)(29) - 3

A. 80 B. 723 C. 1563 D. 1404

Mathematics

Check the addition. If the answer is incorrect, find the correct answer.1655

A. Correct B. Incorrect; should be 1765 C. Incorrect; should be 1665 D. Incorrect; should be 1565

Mathematics

Write a general term an for the sequence. Assume that n begins with 1., . . .

A. an = n + 7
B. an = 
C. an = 
D. an =  + 7

Mathematics

Solve by the quadratic formula. Simplify answers. Use i notation for nonreal complex numbers.x2 + x + 3 = 0

A. x = 
B. x = 
C. x = 
D. x = 

Mathematics