Find the determinant.det 
A. 20
B. -8
C. -20
D. 0
Answer: A
Mathematics
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Find the exact value of the expression.
A. 
B. 
C. - 
D. - 
Mathematics
Identify which graph matches the equation.f(x) = (x - 3)2
A. 
B. 
C. 
D. 
Mathematics
Solve the system.
A. consistent (many solutions)
B. (-1, -5)
C. 
D. inconsistent (no solution)
Mathematics
In the problem, P = (x, y) is the point on the unit circle that corresponds to the real number t. Find the exact value of the indicated trigonometric function of t.
?Find cos t.
A. - 
B. - 
C. - 
D. 
Mathematics