Find the indicated term for the geometric sequence.3, -9, 27, . . . ; a8
A. -2187
B. -59,049
C. 2187
D. -6561
Answer: D
Mathematics
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Solve the problem.Let R ={(x, y): 1 ? x < 4, 0 ? y < 9}. Evaluate 
dA, where f is the function 
A. 171 B. 27 C. 9 D. 261
Mathematics
Graph each system of inequalities and shade the portion on the graph represented by the solution set.x + y ? 2 y ? 2
A. 
B. 
C. 
D. 
Mathematics
Provide an appropriate response.Which of the following sequences is not a geometric sequence?
A. 1, -3, 9, -27, . . .
B. 1, 2, 4, 7, 11, . . .
C. 4, 
, 
, 
, . . .
D. 9, 90, 900, 9000
Mathematics
Which of the following is more probable? Answer A, B, or same. A. Flipping a coin 3 times and obtaining at least 2 heads.B. Flipping a coin 4 times and obtaining at least 2 heads.
What will be an ideal response?
Mathematics