Use the formula for Sn to find the sum of the first five terms of the geometric sequence.
, 
, 
, 
, . . .
A. 
B. 226
C. 
D. 
Answer: D
Mathematics
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Find the area.
a = 46 yd. b = 42 yd
A. 970 yd2 B. 490 yd2 C. 1900 yd2 D. 880 yd2
Mathematics
Write the number in trigonometric form. Let 0 ? ? < 2?.-4 + 4
i
A. 4
B. 8
C. 8
D. 4
Mathematics
Solve the equation.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics
Is the set {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10} a group for multiplication modulo 11? ? ?
A. No B. Yes
Mathematics