Find the exact value of the expression.cos 
cos 
+ sin 
sin 
A. 
B. 
C. 
D. 1
Answer: B
Mathematics
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Write out the first five terms of the sequence.an = 3(2n - 1)
A. 1, 3, 5, 7, 9 B. 3, 9, 15, 21, 27 C. 3, 6, 9, 12, 15 D. -3, 3, 9, 15, 21
Mathematics
Simplify the expression. Assume that all variables are positive and write your answer in radical notation.
? 
A. 
B. 
C. 
D. 
Mathematics
Find the area of the geometric figure.Trapezoid
A. 246.4 sq yd B. 308 sq yd C. 492.8 sq yd D. 184.8 sq yd
Mathematics
Simplify.[20 - (4 + 6) ÷ 2] - [1 + 6 ÷ 3]
A. 9 B. 12 C. 19 D. 7
Mathematics