Solve the problem.Given that 
= 3, find the value of the determinant 
.
A. 9
B. 0
C. -9
D. 6
Answer: C
Mathematics
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Solve the system. Indicate all corner points and shade the solution set.x + 2y ? 2 x - y ? 0
A. 
B. 
C. 
D. 
Mathematics
Find the derivative.s = 2t2 - 7t - 5
A. 4t2 - 7 B. 4t - 7 C. 2t - 7 D. 2t2 - 7
Mathematics
Determine whether the matrices are inverses. 
, 
A. Yes B. No
Mathematics
Refer to this figure to decide whether the statement is true or false. 
?EFB and ?FKL have the same measure.
A. True B. False
Mathematics