Evaluate the trigonometric function. Round the answer to two decimal places.tan 21°
A. -1.60
B. 0.38
C. -1.53
D. 0.31
Answer: B
Mathematics
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Evaluate the indicated power of i.i52
A. -1 B. 1 C. i D. -i
Mathematics
Find the perimeter or area of the figure as indicated. Express your answer in simplified radical form.Find the perimeter of the trapezoid. 
A. (17
+ 3
) in.
B. 22
in.
C. 896 in.
D. 23
in.
Mathematics
Find the expected value.Suppose that 1,000 tickets are sold for a raffle that has the following prizes: one $300 prize, two $100 prizes, and one hundred $1 prizes. What is expected value of a ticket?
A. $300 B. $0.60 C. $1 D. $100
Mathematics
Perform the indicated operations and simplify the result. Leave the answer in factored form.
+ 
A. 
B. 
C. 
D. 6x + 3
Mathematics