Provide an appropriate response.Find the direction in degrees of a vector in standard position if the coordinates of its end point are (-3, 7). Round to the nearest 0.1°.
A. 66.8°
B. 113.2°
C. -66.8°
D. -113.2°
Answer: B
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Provide an appropriate response.What does the graph of the equation 
look like?
A. The yz-plane B. The z-axis C. The xy-plane D. The y-axis
Solve the application by setting up a proportion. Write a sentence answering the question.It is determined that 25% of the student body of Piper School attended an 
assembly. If 138 students attended the assembly, how many students are enrolled at the school?
A. There are 549 students enrolled at the school. B. There are 552 students enrolled at the school. C. There are 564 students enrolled at the school. D. There are 556 students enrolled at the school.
Add or subtract and write the resulting polynomial in descending order of degree.
+ 
A. 9x4 - 
x2 + 
x + 
B. 9x4 + 
x2 - 
x - 
C. 9x4 + 
x2 + 
x - 
D. 14x4 + 
x2 + 
x - 
Add.16 + 24 + (-22)
A. 62 B. 18 C. -30 D. 14