Find the indicated sum. Use the formula for the sum of the first n terms of a geometric sequence.
A. 480
B. 2460
C. 1452
D. 93
Answer: C
Mathematics
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Evaluate the sum.
?
?
A. 9 B. 905 C. 1 D. 100 E. 900
Mathematics
Find the x- and y-intercepts of the graph of the equation. 9x2 + y2 = 9
A. x-intercepts: -3, 3; y-intercepts: -1, 1 B. x-intercepts: -9, 9; y-intercepts: -1, 1 C. x-intercepts: -1, 1; y-intercepts: -3, 3 D. x-intercepts: -1, 1; y-intercepts: -9, 9
Mathematics
The graphing calculator screens show a system and the point of intersection. Choose the screen which best represents the given system.y = 2x + 34x + 3y = -6
A. 
B. 
C. 
D. 
Mathematics
Approximate the square root to three decimal places.
A. 2.236 B. 2.241 C. 5.000 D. 2.233
Mathematics