Find the first 4 terms of the recursively defined sequence.a1 = 2, a2 = 0, an + 1 = an - an - 1
A. 2, 0, 2, 2
B. 2, 0, -2, -4
C. 2, 0, -2, -2
D. 2, 0, 2, 0
Answer: C
Mathematics
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Find the area of the shaded region in the figure. Round results to the nearest unit.Semicircles are placed on the sides of an equilateral triangle with sides 
as shown. Find the shaded area.
A. 100 ft2 B. 173 ft2 C. 339 ft2 D. 196 ft2
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Perform the operation.Multiply 639 by 125
A. 79,865 B. 79,885 C. 79,875 D. 79,975
Mathematics
Find the area of the figure using determinants.
A. 11.5 B. 12.0 C. 11.0 D. 12.5
Mathematics
Perform the indicated operation or operations.- 
+ 
A. - 
B. 
C. 
D. - 
Mathematics