Find a1, r, an, n, or Sn for the geometric sequence, as instructed.r = 3, n = 3, S3 = 26; Find a1.
A. -2
B. 3
C. 1
D. 2
Answer: D
Mathematics
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Use the graph of a power function and transformations to sketch the graph of the polynomial function.f(x) = (x + 5)4 + 3
A. 
B. 
C. 
D. 
Mathematics
Match the system of equations with one of the graphs.49x2 + 25y2 = 1225y - x = 7
A. 
B. 
C. 
D. 
Mathematics
Write the ratio in lowest terms.40 years to 50 years
A. 10
B. 
C. 
D. 
Mathematics
Perform the operation indicated.
? 
A. 
B. 
C. 
D. 
Mathematics