Write sigma notation.8 + 16 + 24 + 32 + 40 + . . .
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Calculate the arc length S and area A for each of the following sectors. Round to the nearest whole number if necessary.a = 82°, r = 7 in.
A. S = 12 in., A = 36 sq in. B. S = 14 in., A = 28 sq in. C. S = 10 in., A = 35 sq in. D. S = 8 in., A = 35 sq in.
Mathematics
Find the number of subsets of the set.{0, 3, 4, 5}
A. 4 B. 16 C. 8 D. 15
Mathematics
Find all solutions of the equation in the interval [0, 2?).cos2 ? + 2 cos ? + 1 = 0
A. 2?
B. ?
C. 
, 
D. 
, 
Mathematics
Evaluate the expression. Write your answer without exponents.
-3
A. 
B. 
C. 
D. 
Mathematics