Answer the question.The numbers ? and ? + ? determine the points A and B, respectively, on the unit circle. How are the points A and B related?
A. B is the reflection of A about the x-axis.
B. B is the reflection of A through the origin.
C. B is the reflection of A about the y-axis.
D. A and B are the same point.
Answer: B
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Simplify the expression. Include absolute value bars where necessary.
A. 
B. 9
C. (-9)3
D. -9
Provide an appropriate response.Determine the general term of the sequence 11, 
, 
, 
, 
, . . . .
A. an = 11
n
B. an = 
n - 1
C. an = 11
n - 1
D. an = 11 + 
n - 1
Find the expected value.Mr. Cameron is sponsoring an summer concert. He estimates that he will make $300,000 if it does not rain and make $60,000 if it does rain. The weather bureau predicts the chance of rain is 0.34 for the day of the concert. What are Mr. Cameron's expected concert earning?
A. $300,000 B. $360,000 C. $60,000 D. $218,400
Solve the problem.A toy rocket is shot vertically upward from the ground. Its distance in feet from the ground in t seconds is given by 
. At what time or times will the ball be 
from the ground? Round your answer to the nearest tenth, if necessary.
A. 10.3 sec B. 1 and 9.3 sec C. 160.1 and 169.9 sec D. 5.2 sec