Find the value of c which makes the following statement true.
?
?
A. 1
B. 
C. 
D. 
E. 
Answer: D
Mathematics
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Use a calculator to evaluate the expression. (If necessary, round your answer to three decimal places.)
?
?
?
A. 70 B. 71 C. 72 D. 74 E. 73
Mathematics
Solve the equation.
x = 
A. 
B. {3}
C. 
D. {-3}
Mathematics
In the figure, AB || DC and ?B ? ?D. Prove that AD || BC
Mathematics
Find the inverse of the matrix, if possible.A = 
A. 
B. 
C. 
D. No inverse
Mathematics