Use the formula for the nth term of a geometric sequence to find the indicated term of the sequence with the given first term, a, and common ratio, r.Find a9 when a = -4, r = 3.
A. -78,732
B. -26,244
C. -26,240
D. 20
Answer: B
Mathematics
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Evaluate.|-2|
A. -2 B. 2 C. 4 D. 0
Mathematics
Factor when possible.x4 - 144
A. (x2 + 12)2 B. (x2 + 12)(x2 - 12) C. (x2 - 12)2 D. Prime
Mathematics
Solve the formula for r.
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A. 
B. 
C. 
D. 
E. 
Mathematics
Solve the problem.A middle school's baseball playing field is a square, 80 feet on a side. How far is it directly from home plate to second base (the diagonal of the square)? If necessary, round to the nearest foot.
A. 113 feet B. 112 feet C. 120 feet D. 114 feet
Mathematics