Determine the order of the matrix.[7]
A. 0 × 0
B. 1
C. 0
D. 1 × 1
Answer: D
Mathematics
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Evaluate the integral.
A. 
i + 
j - 
k
B. - 
?i + 
j + 
k
C. 
j + 
k
D. - 
?i + 
j + 
k
Mathematics
On the real number line, label the points with the given coordinates.-3, -1, 1, 3 
A. 
B. 
C. 
D. 
Mathematics
Find the exact value of the expression if ? = 60°. Do not use a calculator.f(?) = sin ?Find f(?).
A. 
B. 
C. 
D. 
Mathematics
Solve the equation for x.
= -9
A. {2} B. {-9} C. {7} D. ?
Mathematics