Perform the matrix operation.Let A = 
and B = 
. Find A + B.
A. Undefined
B. 
C. 
D. 
Answer: B
Mathematics
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Provide an appropriate response.Show that 
= 
.Explain why this is the case.
What will be an ideal response?
Mathematics
Solve.A number less 7 is -19. Find the number.
A. 12 B. 26 C. -12 D. -26
Mathematics
Multiply using the FOIL method.
A. x2 - 
B. x2 + 
x - 
C. x2 - 
x - 
D. x2 + 
Mathematics
Solve.-3c - 3 ? -21 or -3c - 3 > -9
A. (2, 6] B. (-?, -6] ? (-2, ?) C. (-?,?) D. (-?, 2) ? [6, ?)
Mathematics