Decide whether the statement is possible or impossible for an angle ?.cos ? = 
and sec ? = 
A. Possible
B. Impossible
Answer: A
Mathematics
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Solve the following system of equations. Round your answers to two decimal places.
What will be an ideal response?
Mathematics
Graph the equation by plotting points.y = 5x2
A. 
B. 
C. 
D. 
Mathematics
Find the sum or difference. Write the answer in standard form.7
- (5
+ i) + 3i - (-6
+ 3i)
A. 8
+ i
B. 8
- i
C. 8 - 5i
D. -8 - 5i
Mathematics
Graph the step function.f(x) = 
A. 
B. 
C. 
D. 
Mathematics