Add or subtract as indicated. Then simplify your answer if possible. Leave the answer in terms of sin ? and/or cos ?.
?
?
A. 
B. ?
C. ?
D. ?
E. ?
Answer: D
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Solve the problem.For the study described below, identify the sample.A bank manager wants to know the average amount of time customers of his bank have to wait in line. 300 customers were polled and asked their average wait time at the bank. 27 of the 300 were extremely dissatisfied with the amount of time they had had to wait in line in recent months.
A. All customers of the bank B. The 27 people who were dissatisfied. C. The 300 customers polled D. The customers who were waiting in line at the bank the day of the poll
Find the sum of the sequence.
A. 11 B. 16 C. 15 D. 14
Fill in the blank with one of the words or phrases listed below.
The solution(s) to the the equation x + 5 = x + 4 is/are 
.
A. no solution B. all real numbers C. reversed D. the same
For the given set of ordered pairs, determine whether a function could be defined for which the input would be an x-coordinate and the output would be the corresponding y-coordinate.{(1, -1), (2, -1), (5, -5), (7, -7), (12, 7)}
A. Yes B. No