A geometric sequence is given. Find the common ratio and write out the first four terms.{un} = 
A. r = 
; u1 = 
, u2 = 
, u3 = 
, u4 = 
B. r = 3; u1 = 3, u2 = 
, u3 = 
, u4 = 
C. r = 3; u1 = 3, u2 = 
, u3 = 
, u4 = 
D. r = 
; u1 = 3, u2 = 
, u3 = 
, u4 = 
Answer: D
Mathematics
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Graph the conic section.9(x + 3)2 + 16(y - 4)2 = 144
A. 
B. 
C. 
D. 
Mathematics
Find the first five terms of the infinite sequence whose nth term is given.bn = 
A. 
, 
, 
, 
, 
B. -e, 2e2, -6e3, 24e4, -120e5
C. e, 2e2, 6e3, 24e4, 120e5
D. 
, 
, 
, 
, 
Mathematics
Solve the problem.Draw a tree diagram for the experiment of tossing a coin once then spinning the spinner once. 
A. 
B. 
C. 
D. 
Mathematics
Solve the system of equations by the elimination method. Check your solutions. For any dependent equations, write your answer in the ordered pair form.
A. {(-5, -6)} B. ? C. {(-6, 0)} D. {(-5, -1)}
Mathematics