Find the exact value of the expression.sin 225°
A. 
B. 
C. - 
D. 
Answer: C
Mathematics
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Find all solutions.x3 - 7x2 + 10x = 0
A. {5, 2} B. {-5, -2} C. {0, 5, 2} D. {0, -5, -2}
Mathematics
Solve the problem.A repair company's charge for repairing a certain type of copy machine fits the model 
where y is the number of dollars charged and x is the number of minutes the repair person is on the job. How many minutes would it take for the cost of repair to reach $110? (Round to the nearest minute.)
A. 101 B. 171 C. 255 D. 10
Mathematics
Expand the expression  figure 1.png)
What will be an ideal response?
Mathematics
?Find the relative minima, and use a graphing utility to check your results.
?
?
A. ?
B. ?
C. ?
D. ?0
E. ?does not exist
Mathematics